If I give my helper number to a family member, how do they use it?
There are basically two locations (in Familysearch website) where the helper number can be used (that I am aware of):
As Graham referenced instructions - there are other locations in the mobile app and tree lite (which I have never used) - interesting another app to check out.
You may also wish to review the instructions found in the following Knowledge Article
Thank you very much for your help. That was really quick.