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RQM REST API resource updates: Is it possible to update a resource to have an External ID once it was created with an Internal ID

Alexander Dawson (2542328) | asked Nov 08 '13, 8:08 a.m.

I have a series of resources that were created from with RQM.  They were assigned an internal ID such as: Project/categoryType/

My understanding is that resources can have an Internal ID such as the automatically generated value above, a user specified External ID, (or a UUID which wee don't need)

Is it possible to update a resource such as that above and update it include an External ID too?  We're trying not to delete and create  a new record.

So both the URL above and a url such as: Project/categoryType/OURCATEGORYID_123  

would map to the same resource

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Paul Slauenwhite (8.4k12) | answered Nov 08 '13, 10:45 a.m.
If the resource was created with a PUT request using an external ID, it can be referenced by either the internal or external ID.  If the resource was created with a POST/PUT request without an ID, it can only be referenced by the internal/generated IDs.  For more information, see

Unfortunately, the resource ID is inimitable.
Alexander Dawson selected this answer as the correct answer

Alexander Dawson commented Nov 08 '13, 10:50 a.m.

Great, thanks for clearing it up.

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