How to determine the calling application within PostUserRegistration


In our Auth0 tenant, we have multiple applications: A, B, and C. I need to implement specific processing for registrations coming from Application A in the PostUserRegistration action. How can I determine within the PostUserRegistration action that the registration came from Application A?

Thank you.

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Hey there @yoshida_seiichi!

Apologize for the delay here - There’s no way to determine the client_id in a post user registration action as there there is no event.client object. Instead you would need to look into utilizing a post login action similar to what’s described here:


Thanks for the helpful topic.
It would have been nice if the client_id could have been referenced, but alas!
We will look into using metadata.

Thank you so much.

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