Hi, guys! According to the docs, I should be able to create a goal line type alert, once my time series crosses a given goal, or somthing on those lines.
I think you have to define the goal line before you set up the alert. On your first screenshot above click the and you should find a switch to set a goal value (if I remember right).
If my hint is right I’m sure the team wouldn’t mind a pull request to clarify a bit in the documentation you linked to.