I guess we have a bit of a usability issue (sorry - we try to improve! )
The link to documentation is the one in my first comment.
Maybe you are looking for a generic way to compile those URLs? That is not possible, because every URL is unique for security reasons. You need to copy each URL from the show view for a variable or Logicblock, depending on the action you want: update a variable, run a Logicblock, etc.
I.e. an URL to update one of my variables looks like this: