@god_prophet    I have posted the answer here: Solved: Re: Confused with targeting and filtering dimentio... - Adobe Experience League Community - 575682

Hello @god_prophet    Yes to use this feature the schema should be Linked.     When to use Change Dimension? - Suppose you are querying the transaction table (targeting dimension) and it is not linked with the recipient table. In this scenario, you can use the enrichment activity to create the link ...

Hello @Paul_Murphy    IdentityMap is an object and you might not see the value in the dataset preview.   Also, ECID is not mapped automatically. It depends on how the event schema is set how the data is mapped in the data stream and where is it going.

Hello @Prateek-Garg    You can refer to the documentation links given below: Enable a Dataset for Profile Updates using APIs | Adobe Experience Platform

Hello @Paul_Murphy    May be the ECID is mapped to a different attribute. Can you share the payload from HTTP request?

Hello @vani97    Use the out-of-the-box function of UUID for the _id field.Here is an example for you:  

Hello @Paul_Murphy    Have you configured anything in the JS to tell the SDK where to push this data in CDP like dataset id?

Hello @ignatius_dilip    I believe you are missing the code key value pair in the body The example given in the documentation here shows code is mandatory: Authorization code flow for custom OAuth 2 applications | Adobe Workfront

Try adding a blank enrichment in sub-workflow before the jump-start activity

If possible, Could you please share a screenshot of your main workflow and the audit log?