Hi, I try to use an ACL to allow the agent can check or uncheck one DynamicField of class checkbox (dinamico) only if the user (Agent) has permission on a group (dinamico), I try whit this, Anyone can help me whit this. $Self->{TicketAcl}->{'ACL-Name-Test'} = { User => { Group_ro => [ 'dinamico'], }, Possible => { Ticket => { DynamicField_dinamico => [''], }, }, }, Regards.