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Configuring the value mapper fields
Mapping
Source Field Name
Dataset
Target Field Name
Can support one or more such mappings
How the source field should be handled
If NULL, then user can provide a default value or NULL
If EMPTY, then user can provide a default value or EMPTY
Output Schema should allow
Remove Source Field
Include Target Field
Design
Implementation strategy to allow user to provide default value for mapping field (default value or empty or null)
Plugin would expect the input with following UI Widget:
This will be represented in json format in plugin as: "defaults":"field1:value1, field2:value2"
Examples
Suppose that user takes the input data( employee details) through the csv file or any other source and wants to apply value mapper on certain field (field=Designation).
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