How can I make a pause timer?

How can I make a pause timer?

Timer runs when you hold LMB, pauses when you let go. Expires after 5 mins of run time.

How can I show this as a font on the screen? Can I also stop this?

Create widget with a text block and add it to the screen:

How do I add. I’m a beginner, sorry.

I did not understand how to connect it to the blueprints in screenshot 1

Which part are you stuck on? It’s a step by step instruction in the link.

Did you look at my answer on your other post.