make a field visible and mandatory if other field changes values

[hadron_collider]

Hello,

I am trying to make the field "Reject reason" visible and mandatory to fill in in order to change the status.

[hadron_collider]

so here is my current UI Action:

now, when i click "reject" the form closes up and im back on the record list. Any advices?

[ahefaz1]

@hadron_collider ,

After current.update() , can you please add

action.setRedirectURL(current);

Please mark helpful if this helped or accept the solution if it solved your query.

Thanks,

[hadron_collider]

I have added: 

action.setRedirectURL(current);

Now, when i click 'Reject' nothing happens:

[ahefaz1]

@hadron_collider ,

Can you try adding, gs.action.setRedirectURL(current);

Was it working before you added the above line?

Thanks,

[hadron_collider]

I have modified it and used gs.action.setRedirectURL(current);

but now i am getting an error: