remove_strife_per_invited_powerful_vassal_effect

remove_strife_per_invited_powerful_vassal_effect = {
	scope:activity = {
		if = {
			limit = {
				# Does scope:host have any strife to take care of?
				scope:host = {
					exists = liege
					strife_opinion >= 1
				}
				any_attending_character = {
					this != scope:host
					is_powerful_vassal_of = scope:host.liege
				}
			}
			# Save a variable for the loc key so that we don't need to parse a million scopes _into_ the key.
			## We do it this way because the custom_tooltip otherwise gets real finnicky about having 
			scope:host = {
				set_variable = {
					name = strife_loss_total
					value = {
						value = scope:activity.diarch_reduced_strife_for_inviting_powerful_covassals_value
						# Invert it for UX purposes.
						multiply = -1
					}
				}
			}
			custom_tooltip = remove_strife_per_invited_powerful_vassal_effect.tt
			## Don't forget to remove the variable!
			# Now, change the actual strife.
			hidden_effect = {
				scope:host = { change_strife_opinion = scope:activity.diarch_reduced_strife_for_inviting_powerful_covassals_value }
			}
		}
	}
}

As written in game/common/scripted_effects/00_diarchy_scripted_effects.txt.