Button should be visible to current assignment group members

[Shubham54]

On form i have one button and that button should be visible to only current assignment group members i used following condition but it's not working.

gs.getUser().isMemberOf(current.assignment_group); 

[Musab Rasheed]

Give Action name and remove semicolon from condition, please do.

[Nilesh Kulkarn1]

Its not working for me..

[kamlesh kjmar]

Make sure your Form button is marked true in your UI action.

[SumanthDosapati]

In action name field give something

and in condition field, remove semicolon at the end