If you want anything to happen against the staff member you will need to provide some evidence however do know that about your last point staff do not have to open a chat. If you want to appeal the punishment the template is below.
[b]Name -[/b] What is your in-game name?
[b]STEAM-ID -[/b] What is your STEAM-ID?
[b]Staff Members Name -[/b] Who warned you?
[b]Punishment Reason -[/b] What was the reason of the warning(s)?
[b]Server -[/b] Which server did this occur on?
[b]Story/Situation -[/b] What happened?
[b]Extra Information -[/b] Anything you would find relevant to your warning(s)?