Is there any post function that execute any URL?
E.g. I am pressing on transition button and automatically diefined URL (e.g. google page) was executed in new window/tab.
Yes, it is.
I will praise myself, but you should take a look here:
and here (if you do not really need a transition):
Atlassian Summit is an excellent opportunity for in-person support, training, and networking.Learn more
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG