{"type":"doc","content":[{"type":"paragraph","content":[{"text":"Use the CDAP Metadata Microservices to set, retrieve, and delete the metadata annotations of applications, datasets, and other entities in CDAP.","type":"text"}]},{"type":"panel","attrs":{"panelType":"note"},"content":[{"type":"paragraph","content":[{"text":"Note","type":"text","marks":[{"type":"strong"}]},{"text":": Metadata for versioned entities is not versioned, including entities such as applications, programs, schedules, and program runs. Additions to metadata in one version are reflected in all versions.","type":"text"}]}]},{"type":"paragraph","content":[{"text":"Metadata consists of ","type":"text"},{"text":"properties","type":"text","marks":[{"type":"strong"}]},{"text":" (a list of key-value pairs) or ","type":"text"},{"text":"tags","type":"text","marks":[{"type":"strong"}]},{"text":" (a list of keys). Metadata and their use are described in the Metadata and Lineage section.","type":"text"}]},{"type":"paragraph","content":[{"text":"The Microservices is divided into these sections:","type":"text"}]},{"type":"bulletList","content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Metadata properties","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Metadata tags","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Searching metadata","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Viewing lineage","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Field level lineage","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"Metadata for a run of a program","type":"text"}]}]}]},{"type":"paragraph","content":[{"text":"Metadata keys, values, and tags must conform to the CDAP ","type":"text"},{"text":"alphanumeric extra extended character set","type":"text","marks":[{"type":"link","attrs":{"href":"https://cdap.atlassian.net/wiki/spaces/DOCS/pages/477593783/Naming+Conventions"}}]},{"text":", and are limited to 50 characters in length. The entire metadata object associated with a single entity is limited to 10K bytes in size.","type":"text"}]},{"type":"paragraph","content":[{"text":"There is one reserved word for property keys and values: ","type":"text"},{"text":"tags","type":"text","marks":[{"type":"em"}]},{"text":", either as ","type":"text"},{"text":"tags","type":"text","marks":[{"type":"code"}]},{"text":" or ","type":"text"},{"text":"TAGS","type":"text","marks":[{"type":"code"}]},{"text":". Tags themselves have no reserved words.","type":"text"}]},{"type":"paragraph","content":[{"text":"All methods or endpoints described in this API have a base URL (typically ","type":"text"},{"text":"http://:11015","type":"text","marks":[{"type":"code"}]},{"text":" or ","type":"text"},{"text":"https://:10443","type":"text","marks":[{"type":"code"}]},{"text":") that precedes the resource identifier, as described in the Microservices Conventions. These methods return a status code, as listed in the Microservices Status Codes.","type":"text"}]},{"type":"panel","attrs":{"panelType":"note"},"content":[{"type":"paragraph","content":[{"text":"Note: ","type":"text","marks":[{"type":"strong"}]},{"text":"Datasets are deprecated and will be removed in CDAP 7.0.0.","type":"text"}]}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Metadata Properties","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Annotating Properties","type":"text"}]},{"type":"paragraph","content":[{"text":"To annotate user metadata properties for an application, dataset, or other entities including custom entities, submit an HTTP POST request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces///metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces//apps////metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces//artifacts//versions//metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a custom entity like field of a dataset:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces//datasets//field//metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"with the metadata properties as a JSON string map of string-string pairs, passed in the request body:","type":"text"}]},{"type":"codeBlock","content":[{"text":"{\n \"key1\" : \"value1\",\n \"key2\" : \"value2\",\n ...\n}","type":"text"}]},{"type":"paragraph","content":[{"text":"New property keys will be added and existing keys will be updated. Existing keys not in the properties map will not be deleted.","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"Parameter","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"namespace-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Namespace ID.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"entity-details","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Hierarchical key-value representation of the entity.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"app-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the application.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"program-type","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"One of ","type":"text"},{"text":"mapreduce","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"spark","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"workflows","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"services","type":"text","marks":[{"type":"code"}]},{"text":", or ","type":"text"},{"text":"workers","type":"text","marks":[{"type":"code"}]},{"text":".","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"program-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the program.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-version","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Version of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"dataset-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the dataset. ","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[249.0]},"content":[{"type":"paragraph","content":[{"text":"field-name","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[510.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the field.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"HTTP Responses","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"Status Codes","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"200 OK","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"The properties were set.","type":"text"}]}]}]}]},{"type":"panel","attrs":{"panelType":"note"},"content":[{"type":"paragraph","content":[{"text":"Note","type":"text","marks":[{"type":"strong"}]},{"text":": When using this API, properties can be added to the metadata of the specified entity only in the ","type":"text"},{"text":"user","type":"text","marks":[{"type":"em"}]},{"text":" scope.","type":"text"}]}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Retrieving Properties","type":"text"}]},{"type":"paragraph","content":[{"text":"To retrieve user metadata properties for an application, dataset, or other entities including custom entities, submit an HTTP GET request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces///metadata/properties[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//apps//metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//apps////metadata/properties[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//artifacts//versions//metadata/properties[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a custom entity like field of a dataset:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//datasets//field//metadata/properties[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"with the metadata properties returned as a JSON string map of string-string pairs, passed in the response body (pretty-printed):","type":"text"}]},{"type":"codeBlock","content":[{"text":"{\n \"key1\" : \"value1\",\n \"key2\" : \"value2\",\n ...\n}","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"Parameter","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"namespace-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Namespace ID.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"entity-details","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Hierarchical key-value representation of the entity.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"app-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the application.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"program-type","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"One of ","type":"text"},{"text":"mapreduce","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"spark","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"workflows","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"services","type":"text","marks":[{"type":"code"}]},{"text":", or ","type":"text"},{"text":"workers","type":"text","marks":[{"type":"code"}]},{"text":".","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"program-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the program.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-version","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Version of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"dataset-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the dataset.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"field-name","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the field.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[311.0]},"content":[{"type":"paragraph","content":[{"text":"scope","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[448.0]},"content":[{"type":"paragraph","content":[{"text":"Optional scope filter. If not specified, properties in the ","type":"text"},{"text":"user","type":"text","marks":[{"type":"code"}]},{"text":" and ","type":"text"},{"text":"system","type":"text","marks":[{"type":"code"}]},{"text":" scopes are returned. Otherwise, only properties in the specified scope are returned.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Example","type":"text"}]},{"type":"paragraph","content":[{"text":"To get the creation time for a deployed data pipeline called POS_SALES, issue the following GET request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces/default/apps/POS_SALES/metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"The result is:","type":"text"}]},{"type":"codeBlock","content":[{"text":"{\n \"Workflow:DataPipelineWorkflow\": \"DataPipelineWorkflow\",\n \"plugin:csv:validatingOutputFormat\": \"csv:validatingOutputFormat\",\n \"entity-name\": \"POS_SALES\",\n \"plugin:GCSFile:batchsource\": \"GCSFile:batchsource\",\n \"plugin:GCS:batchsink\": \"GCS:batchsink\",\n \"creation-time\": \"1613569893556\",\n \"description\": \"Data Pipeline Application\",\n \"plugin:text:validatingInputFormat\": \"text:validatingInputFormat\",\n \"version\": \"-SNAPSHOT\",\n \"schedule:dataPipelineSchedule\": \"dataPipelineSchedule:Data pipeline schedule\",\n \"Spark:phase-1\": \"phase-1\",\n \"plugin:Wrangler:transform\": \"Wrangler:transform\"\n}","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"HTTP Responses","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[310.0]},"content":[{"type":"paragraph","content":[{"text":"Status Codes","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[449.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[310.0]},"content":[{"type":"paragraph","content":[{"text":"200 OK","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[449.0]},"content":[{"type":"paragraph","content":[{"text":"The properties requested were returned as a JSON string in the body of the response which can be empty if there are no properties associated with the entity, or the entity does not exist.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Deleting Properties","type":"text"}]},{"type":"paragraph","content":[{"text":"To delete ","type":"text"},{"text":"all","type":"text","marks":[{"type":"strong"}]},{"text":" user metadata properties for an application, dataset, or other entities including custom entities, submit an HTTP DELETE request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces///metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for all user metadata properties of a particular program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//apps////metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//artifacts//versions//metadata/properties","type":"text"}]},{"type":"paragraph","content":[{"text":"To delete ","type":"text"},{"text":"a specific property","type":"text","marks":[{"type":"strong"}]},{"text":" for an application, dataset, or submit an HTTP DELETE request with the property key:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces////metadata/properties/","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular property of a program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//apps////metadata/properties/","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//artifacts//versions//metadata/properties/","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a custom entity like field of a dataset:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//datasets//field//metadata/properties/","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"Parameter","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"namespace-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Namespace ID.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"entity-details","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Hierarchical key-value representation of the entity.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"app-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the application.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"program-type","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"One of ","type":"text"},{"text":"mapreduce","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"spark","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"workflows","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"services","type":"text","marks":[{"type":"code"}]},{"text":", or ","type":"text"},{"text":"workers","type":"text","marks":[{"type":"code"}]},{"text":".","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"program-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the program.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-version","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Version of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"dataset-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the dataset.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"field-name","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the field.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[293.0]},"content":[{"type":"paragraph","content":[{"text":"key","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[466.0]},"content":[{"type":"paragraph","content":[{"text":"Metadata property key.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"HTTP Responses","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[294.0]},"content":[{"type":"paragraph","content":[{"text":"Status Codes","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[465.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[294.0]},"content":[{"type":"paragraph","content":[{"text":"200 OK","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[465.0]},"content":[{"type":"paragraph","content":[{"text":"The method was successfully called, and the properties were deleted, or in the case of a specific key, were either deleted or the key was not present, or the entity itself was not present.","type":"text"}]}]}]}]},{"type":"panel","attrs":{"panelType":"note"},"content":[{"type":"paragraph","content":[{"text":"Note","type":"text","marks":[{"type":"strong"}]},{"text":": When using this API, only properties in the ","type":"text"},{"text":"user","type":"text","marks":[{"type":"em"}]},{"text":" scope can be deleted.","type":"text"}]}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Metadata Tags","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Adding Tags","type":"text"}]},{"type":"paragraph","content":[{"text":"To add user metadata tags for an application, dataset, or other entities including custom entities, submit an HTTP POST request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces///metadata/tags","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces//apps////metadata/tags","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces//artifacts//versions//metadata/tags","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a custom entity like field of a dataset:","type":"text"}]},{"type":"codeBlock","content":[{"text":"POST /v3/namespaces//datasets//field//metadata/tags","type":"text"}]},{"type":"paragraph","content":[{"text":"with the metadata tags, as a list of strings, passed in the JSON request body:","type":"text"}]},{"type":"codeBlock","content":[{"text":"[\"tag1\", \"tag2\"]","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"Parameter","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"namespace-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Namespace ID.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"entity-details","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Hierarchical key-value representation of the entity.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"app-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the application.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"program-type","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"One of ","type":"text"},{"text":"mapreduce","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"spark","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"workflows","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"services","type":"text","marks":[{"type":"code"}]},{"text":", or ","type":"text"},{"text":"workers","type":"text","marks":[{"type":"code"}]},{"text":".","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"program-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the program.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-version","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Version of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"dataset-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the dataset.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[301.0]},"content":[{"type":"paragraph","content":[{"text":"field-name","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[458.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the field.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"HTTP Responses","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[305.0]},"content":[{"type":"paragraph","content":[{"text":"Status Codes","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[454.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[305.0]},"content":[{"type":"paragraph","content":[{"text":"200 OK","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[454.0]},"content":[{"type":"paragraph","content":[{"text":"The tags were set.","type":"text"}]}]}]}]},{"type":"panel","attrs":{"panelType":"note"},"content":[{"type":"paragraph","content":[{"text":"Note","type":"text","marks":[{"type":"strong"}]},{"text":": When using this API, tags can be added to the metadata of the specified entity only in the user scope.","type":"text"}]}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Retrieving Tags","type":"text"}]},{"type":"paragraph","content":[{"text":"To retrieve user metadata tags for an application, dataset, or other entities including custom entities, submit an HTTP GET request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces///metadata/tags[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//apps////metadata/tags[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//artifacts//versions//metadata/tags[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a custom entity like field of a dataset:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//dataset//field//metadata/tags[?scope=]","type":"text"}]},{"type":"paragraph","content":[{"text":"with the metadata tags returned as a JSON string in the return body:","type":"text"}]},{"type":"codeBlock","content":[{"text":"[\"tag1\", \"tag2\"]","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"Parameter","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"namespace-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Namespace ID.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"entity-details","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Hierarchical key-value representation of the entity.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"app-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the application.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"program-type","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"One of ","type":"text"},{"text":"mapreduce","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"spark","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"workflows","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"services","type":"text","marks":[{"type":"code"}]},{"text":", or ","type":"text"},{"text":"workers","type":"text","marks":[{"type":"code"}]},{"text":".","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"program-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the program.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-version","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Version of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"dataset-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the dataset.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"field-name","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the field.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[277.0]},"content":[{"type":"paragraph","content":[{"text":"scope","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[482.0]},"content":[{"type":"paragraph","content":[{"text":"Optional scope filter. If not specified, properties in the ","type":"text"},{"text":"user","type":"text","marks":[{"type":"code"}]},{"text":" and ","type":"text"},{"text":"system","type":"text","marks":[{"type":"code"}]},{"text":" scopes are returned. Otherwise, only properties in the specified scope are returned.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"HTTP Responses","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[278.0]},"content":[{"type":"paragraph","content":[{"text":"Status Codes","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[481.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[278.0]},"content":[{"type":"paragraph","content":[{"text":"200 OK","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[481.0]},"content":[{"type":"paragraph","content":[{"text":"The tags requested were returned as a JSON string in the body of the response which can be empty if there are no tags associated with the entity or entity does not exist.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Removing Tags","type":"text"}]},{"type":"paragraph","content":[{"text":"To delete all user metadata tags for an application, dataset, or other entities including custom entities, submit an HTTP DELETE request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces///metadata/tags","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for all user metadata tags of a particular program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//apps////metadata/tags","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//artifacts//versions//metadata/tags","type":"text"}]},{"type":"paragraph","content":[{"text":"To delete a specific user metadata tag for an application, dataset, or submit an HTTP DELETE request with the tag:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces////metadata/tags/","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular user metadata tag of a program of a specific application:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//apps////metadata/tags/","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a particular version of an artifact:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//artifacts//versions//metadata/tags/","type":"text"}]},{"type":"paragraph","content":[{"text":"or, for a custom entity like field of a dataset:","type":"text"}]},{"type":"codeBlock","content":[{"text":"DELETE /v3/namespaces//datasets//field//metadata/tags/","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"Parameter","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"namespace-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Namespace ID.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"entity-details","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Hierarchical key-value representation of the entity.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"app-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the application.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"program-type","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"One of ","type":"text"},{"text":"mapreduce","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"spark","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"workflows","type":"text","marks":[{"type":"code"}]},{"text":", ","type":"text"},{"text":"services","type":"text","marks":[{"type":"code"}]},{"text":", or ","type":"text"},{"text":"workers.","type":"text","marks":[{"type":"code"}]}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"program-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the program.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"artifact-version","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Version of the artifact.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"dataset-id","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the dataset.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"field-name","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Name of the field.","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[290.0]},"content":[{"type":"paragraph","content":[{"text":"tag","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[469.0]},"content":[{"type":"paragraph","content":[{"text":"Metadata tag.","type":"text"}]}]}]}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"HTTP Responses","type":"text"}]},{"type":"table","attrs":{"layout":"default"},"content":[{"type":"tableRow","content":[{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[295.0]},"content":[{"type":"paragraph","content":[{"text":"Status Codes","type":"text"}]}]},{"type":"tableHeader","attrs":{"colspan":1,"rowspan":1,"colwidth":[464.0]},"content":[{"type":"paragraph","content":[{"text":"Description","type":"text"}]}]}]},{"type":"tableRow","content":[{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[295.0]},"content":[{"type":"paragraph","content":[{"text":"200 OK","type":"text","marks":[{"type":"code"}]}]}]},{"type":"tableCell","attrs":{"colspan":1,"rowspan":1,"colwidth":[464.0]},"content":[{"type":"paragraph","content":[{"text":"The method was successfully called, and the tags were deleted, or in the case of a specific tag, was either deleted or the tag was not present, or the entity itself was not present.","type":"text"}]}]}]}]},{"type":"panel","attrs":{"panelType":"note"},"content":[{"type":"paragraph","content":[{"text":"Note","type":"text","marks":[{"type":"strong"}]},{"text":": When using this API, only tags in the user scope can be deleted.","type":"text"}]}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Searching for Metadata","type":"text"}]},{"type":"paragraph","content":[{"text":"CDAP supports searching metadata of entities. To find which applications, datasets, etc. have a particular metadata property or metadata tag, submit an HTTP GET request:","type":"text"}]},{"type":"codeBlock","content":[{"text":"GET /v3/namespaces//metadata/search?query=[&target=&target=...][&

Browser not supported