Get userprofile name of person clicking the link to start a flow?

Hey

I am trying to create a link/url that i want to place in a Microsoft Team. When any user click on that link i want a flow to be initiated.

I have done this by starting the flow with the action:

"when a http request is recieved"

This works fine.

Then i just have a message that pops up in teams.

But i really need to implement the name of the person that pressed the link.

How can i get the user profile name of the person that clicked the link?