"I am an HSU member participating in endorsed action today and therefore won't be doing (enter action here, e.g., shift movements/removing my vest/pushing off stretcher (or delayed available) etc)"

"I am an HSU member participating in endorsed action today. This 2A/B was booked as an R3, therefore we won't be doing it."

"Control: A very good morning/afternoon/evening to all on the [insert board]. You have [insert name] on the board today. As an HSU member I support those on road taking HSU endorsed action. I will be participating in control actions today."

"Good [morning, afternoon, evening] from [insert station]. You have officers [xxx and xxx] in car [xxx]. As proud HSU members we will be participating in endorsed action today and support you in Control with your actions."

"Car [car number] will be participating in the ADHSU endorsed industrial action today. We will require another P1 or above to come third-up on this vehicle in order to provide the level of training and supervision trainee paramedics deserve. 

Please advise where this officer will be coming from as soon as NSWA lets you know. Thanks for supporting us."

or

"Car [car number] will be participating in the ADHSU endorsed industrial action today. Paramedic [name] is spare on the roster this shift. She/he is P1 qualified and will be built up on this vehicle in order to provide the level of training and supervision trainee paramedics deserve. Thanks for supporting us."