purchase_truce_interaction_activate_catalyst_effect

purchase_truce_interaction_activate_catalyst_effect = {
	if = {
		limit = {
			any_character_struggle = {
				involvement = involved
				activate_struggle_catalyst_secondary_character_involvement_involved_trigger = {
					CATALYST = catalyst_bought_important_truce
					CHAR = scope:recipient
				}
			}
		}
		every_character_struggle = {
			involvement = involved
			limit = {
				activate_struggle_catalyst_secondary_character_involvement_involved_trigger = {
					CATALYST = catalyst_bought_important_truce
					CHAR = scope:recipient
				}
			}
			activate_struggle_catalyst = {
				catalyst = catalyst_bought_important_truce
				character = scope:puppet_or_actor
			}
		}
	}

	# Generic truce catalayst
	if = {
		limit = {
			any_character_struggle = {
				involvement = involved
				activate_struggle_catalyst_secondary_character_involvement_involved_trigger = {
					CATALYST = catalyst_sign_truce_outside_war
					CHAR = scope:recipient
				}
			}
		}
		every_character_struggle = {
			involvement = involved
			limit = {
				activate_struggle_catalyst_secondary_character_involvement_involved_trigger = {
					CATALYST = catalyst_sign_truce_outside_war
					CHAR = scope:recipient
				}
			}
			activate_struggle_catalyst = {
				catalyst = catalyst_sign_truce_outside_war
				character = scope:puppet_or_actor
			}
		}
	}
}

As written in game/common/scripted_effects/03_dlc_fp2_scripted_effects.txt.