How to set restrictions / permissions on moving tasks from status A to status B

[Vladimir Matveev]

How to set permission to execute a specific transaction (for example, moving an issues from status 1 to status 2) in a workflow only for a specific category of performers (for example, only a team leader or administrator)

[Nic Brough -Adaptavist- · Accepted solution]

In team-managed projects, this is done with the workflow set up - it'll ask you if there are any things you want to condition in each transition as you define it.

In company-managed projects, you do it in the workflow - each transition has a set of functions - an optional screen, properties, triggers, conditions, post functions and validators.  

Conditions are the first place to look, as you can set up things like "only the project lead or developer role can do move it from status A to B" or "only the tester or reporter can use the close transition"

Validators might also be useful to you, but they look at the data entered (or read) during the transition - they can block a transition, but conditions are usually better because they stop the transition being offered to the user completely!

[Vladimir Matveev]

Nic, thank you, I understood everything.
And even did :)