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$ $CDAP_HOME/bin/cdap cli
cdap > load artifact my-simple-udd-1.0-SNAPSHOT.jar config-file my-simple-udd-1.0-SNAPSHOT.json
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CDAP UI
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Example
Let’s walk through the creation of a user defined directive(udd) called text-reverse that takes one argument: Column Name. Tt's the name of the column in a Row that needs to be reversed. The resulting row will have the Column Name specified in the input have reversed string of characters.
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