Description
Filters the base gray color used in assembling grayscale palette for templates.
Usage
Filter the base gray color.
add_filter( 'gravityhopper-et/color_gray', 'my_callback_function', 10, 3 );Parameters
color : string
Hex color to be used as base gray for templates. Default is #808080.
template_slug : string
Slug of the email template being applied to the notification.
payload : array
Keyed array containing objects for notification, form, and entry.