How to create one time login and signup system with google spreadsheet?

[Bapi_Roy]

Hello,

I want to make a login and register screen using Google Spreadsheets extension(make by @AppHelper_Studio pphelper). But I don’t know how to make it.
Help me!

[dora_paz (Dora)]

Have you searched the community ?

For example …

Register and Login using Google sheets

Hi there, i wanted to make a login and register screen where the data is stored on google sheets. I followed a tutorial but I have a problem. I can Login only if the password contains only numbers. I want it to be able to contain etters as well. I cant find where that restriction is… Please help I will attach the google sheets code and the blocks List item function doGet(e) { return Authentication(e); } function doPost(e) { return Authentication(e); } function Authentication(e) { if (…