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Example of using "Echo" source in an input card

svallery
Wed, 17 Oct 2018 11:42:45 GMT

I'm trying to learn how to use the "Echo" setting for the Source Rule > GET > Source setting in an input card. Particularly how to use the "Data" field associated as well. Would anyone have an example or source they could share. Thanks!

fetzers
Mon, 22 Oct 2018 16:44:28 GMT

My most common use of echo is when testing a map and decoupling an input source from a hierarchy of maps. It is really common for me to just want to run one functional map that is in the middle of a complex map set. So the input into the functional map will often be a small part of the original input data. In that case I will paste in the data that would be passed in from the parent map as the content of 'Data' in the card that is the Echo source. [Capture](//muut.com/u/transformation-extender-community/s1/:transformation-extender-community:3fub:capture.jpg.jpg) In this input card we are passing the literal text "Fabulous use for ECHO!" in as the content of the card.

svallery
Mon, 05 Nov 2018 13:58:02 GMT

Sorry for the late follow up but I figured it out.

svallery
Mon, 05 Nov 2018 14:21:41 GMT

Sorry, there was an issue with the reply function on this forum... to continue for the benefit of others: Setting up the input card, I selected "ECHO" as the source, entered my string of information in the "Data" field following associated to the source selection. Then when mapping the type tree, I selected a generic text field within the map to pass the data. From there I could manipulate the data as normal type tree input.