pledge_ghw_war_chest_piety_effect

pledge_ghw_war_chest_piety_effect = { #To be fired within the scope of an Attacker of the correct Faith.
	if = {
		limit = { prev = { highest_held_title_tier = 5 } }
		change_war_chest_piety =  1200
	}
	if = {
		limit = { prev = { highest_held_title_tier = 4 } }
		change_war_chest_piety =  600
	}
	if = {
		limit = { prev = { highest_held_title_tier = 3 } }
		change_war_chest_piety =  300
	}
	if = {
		limit = { prev = { highest_held_title_tier = 2 } }
		change_war_chest_piety =  150
	}
	if = {
		limit = { prev = { highest_held_title_tier = 1 } }
		change_war_chest_piety =  75
	}
}

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