its possible to get alert when saving 2 player same text ( player name ) ?

its possible to get alert when saving 2 player same text ( player name ) ?

when if possible kindly guide me how can i do it this.

Something like:

On Enter Pressed

SUB If Textinput.text = var_playername - Show warning

SUB Else - Set var_playername to Textinput.text

Thanks For replying brother, but i trying to same as you showing but cant successful, kindly check my file https://www.dropbox.com/s/r3pwweohytxfn4a/same%20name%20cannot%20enter.c3p?dl=0

Have a look at the notes I left you. 1drv.ms/u/s!AkmrWgxeuxlKhJlzqDAcfbger_Ju8w

Wow Thank you So Much Brother.