Addon for customer field madatory based on previous selection

[Joan1211]

I am looking for a solution/addon for the following problem:

During the registration, a Custom User Field is not required, but i would like to make it required in case the user selects a specific group.

See my thread:

XF 2.2 - Custom User Field required depending on previous selection

Hello, I am looking to do this: When a user registers, he has to select a group (that i created with Custom User Field). However for a specific group I need the user to enter a registration code that i will provide him. Is there a way that selecting a specific user group during registration...

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