How Get string from player during runtime?

[AAriyAA]

I have a score board for the end of the game and I want player can enter the name for his score?
whats the right way to doing that ?

my way is faild :

my scoreboard :

my scoreboard is a verticalBox with added child coustimise widgeget with 3 value .

Thanks .

[AAriyAA]

I figure out it happened because I didn’t select the textbox, I solve it with set input mode UI Only .