Scatter Chart gridline colour based on Function

[Anonymous]

Please does anyone know how to make a scatter chart gridlines solid colour black on 1.0 both on Y and X axes and dotted grey on value less than 1.
I have below screenshot as the default gridlines

I have tried using function on the gridline but not working

This below is what I want achieve.

[Anonymous · Accepted solution]

Hi @Anonymous ,

Consider adding a reference line to each of the x-axis and y-axis in this way.

Best Regards,
Gao
Community Support Team

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