Hi @crowleyb​ ,

Are you using an automatic, manual, or dynamic attribute definition? Additionally, can you confirm that the field names in the writer feature type match the API name for the fields in the Salesforce Object Manager?

Thanks @chrisatsafe​. I actually added the reader to the workspace so I could use the copy from reader option to add the writer. So, the API names for the fields do appear correctly

@chrisatsafe​ - I was able to successfully use the data loader to my custom object. It appears the issue is the Salesforce writer does not recognize the external IDs (the related objects) I've established for the 2 Master-Detail data types I'm using. When using data loader, I have the ability to select the relationship (see attached images). I think that is the problem. The FME Salesforce writer does not recognize the external IDs or in the UPSERT setting options, I'm not referencing them properly.

Interesting, okay thanks for digging into that a bit more. I'm going to convert this thread to a case so our support team can investigate this and report it to our development team as a bug. Thanks for bringing this to our attention.

Great. Thank you.

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