assign to field is not displaying in incident form

[Fahimas]

hello!! iam new to servicenow

i have created a button assign to me for incident table. that was not displaying on the form ,what can i do to overcome these?

visibility script:

              current.state=='1'&&gs.getUser().isMemberOf(current.assignment_group); 

onclick script:

function assign(){

current.assigned_to = gs.getUserName();

current.state = '2';

current.update();

current.actionRedirectUrl();

}

and iam also having an doubt to write the script for visiblty that the condition is the button should be visible only caller assigned to ,how can i write the script for it ?

[Dr Atul G- LNG · Accepted solution]

Hi @Fahimas 

Did you added that button /UI Action on Form ?

In UI action, you need to select the positions where UI action will be showed. 

Also just to let you know Assign to me is OOTB available. Give some separate name.