Unique usernames - any ideas?

[Victor]

Hi @MM792,

May be this could be useful for you?

Adalo hints: how to prevent from creating duplicate records in the collection (UPDATED with 2nd video)

Sometimes one needs to be sure that the value of the property in collection is unique for each record. As an example - you need to be sure that name of the company / restaurant / event / etc. is unique and record with this name can’t be added for the 2nd time. UPDATE: added a second video how to make a modal window with warnings. Thanks for your comments inspiring that! UPDATE #2: please note, the check is case sensitive; so “UGC ODEON” and “ugc odeon” will be treated as different entries. He…

And this as well:

Help with unique id

can someone show me with a video how to create a random number that is not repeated for the user id?

Best,
Victor