phone number verification documentation

New hear but I can't seem to find the documentation on how to set up phone number verification for when my members create their accounts...
Got a link you can share?

Hello Tim

The extension uses jquery validation engine for validating data. So you can use any rules supported by the engine. See posabsolute.github.io/jQuery-Validation-Engine/#validators for all supported validation rules

For your need, edit the field, set Validation Rules to validate[custom[phone]] would work

Tuan