How to set Automatically secondary values axis minimum and Maximum (1 Viewer)

[masoud_sedighy]

regarding my previous question combine chart I did not get answer, I have used modern chart in Access 2019 and has been used link child fields and master fields, Now i want in the report depending on the data of chart it is determine Automatically secondary values axis minimum and Maximum for line chart.
some where in the net i read about Dmax and Dmin function, but i do not know in which event i have to use that and how?

 

[NauticalGent]

Good morning. I am not really sure what you are asking and even more unsure if I can help you. I am posting to "bump" this up so that you may provide a more clear explanation and that someone who can help you see it.