Add Variable X Axis reference line to scatter chart
Currently, there are constant lines where you need to add a hardcoded value. It would be beneficial to be able to have a variable x axis line that works from a measure on either the X axis, y axis, color saturation, or size section.
Check out for the custom visual spline chart (from MS).
There is apparently the possibility there to add a fix line. I am(not sure based on measure.