FormatGridLinesOptions object
The FormatGridLinesOptions type defines the size, color and style of the grid-lines. The FormatGridLinesOptions object supports the following properties and methods:

NameDescription
AlignSpecifies the flags to display the label between grid lines
ColorSpecifies the line's color
FormatSpecifies an expression to define the labels between grid lines
SkipSpecifies the number of grid lines to skip
StepDefines the step to show the grid lines
StyleDefines the style of the line
WidthSpecifies the line's width or size (1 by default)