petition_liege_0101_war_aid_effect

petition_liege_0101_war_aid_effect = {
	scope:petition_liege = {
		stress_and_fulfillment_impact = {
			craven = minor_stress_impact_gain
			shy = minor_stress_impact_gain
		}
	}
	if = {
		limit = {
			scope:petition_vassal = { has_variable = petition_liege_war_aid_join } 
		}
		if = {
			limit = {
				scope:petition_vassal = { is_attacker_in_war = scope:petition_war }
			}
			scope:petition_war = { add_attacker = scope:petition_liege }
		}
		else = {
			scope:petition_war = { add_defender = scope:petition_liege }
		}
	}
	else = {
		scope:petition_liege = { remove_short_term_gold = petitioner_war_aid_levies_cost_value }
		scope:petition_vassal = {
			spawn_army = {
				inheritable = no
				name = petition_liege_war_aid_troops
				levies = petitioner_war_aid_levies_value
				location = scope:petition_vassal.capital_province
				war = scope:petition_war
			}
		}
	}
}

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