spawn_join_war_contracts_effect

spawn_join_war_contracts_effect = {
	$WAR$ = { save_scope_as = war }
	$ATTACKER$ = { save_scope_as = attacker }
	$DEFENDER$ = { save_scope_as = defender }
	$LAAMP$ = {
		#spawn a defensive join war contract, if defender is weaker than attacker or in a civil war
		if = {
			limit = {
				OR = {
					task_contract_join_war_attacker_strength_ratio_value > 1
					scope:war = {
						using_civil_war_cb_trigger = yes
					}
				}
				can_create_task_contract = {
					type_name = laamp_join_war_contract
					employer = scope:defender
				}
			}
			send_interface_message = {
				type = msg_task_contract_created
				title = join_war_contract_spawn.t
				desc = join_war_contract_spawn.desc_defender
				left_icon = scope:attacker
				right_icon = scope:defender
				create_task_contract = {
					task_contract_employer = scope:defender
					task_contract_type = laamp_join_war_contract
					task_contract_tier = scope:defender.task_contract_tier_value
					location = scope:defender.default_location
					save_scope_as = new_contract_defender
				}
			}
			scope:new_contract_defender = {
				set_variable = {
					name = retain_despite_distance
					value = yes
				}
				set_variable = {
					name = task_contract_war
					value = scope:war
				}
				set_variable = {
					name = task_contract_employer
					value = scope:defender
				}
				set_variable = {
					name = task_contract_target
					value = scope:war.primary_attacker
				}
			}
		}
		#spawn an offensive join war contract for the same war, if attacker has +/- 60% the strength of defender
		if = {
			limit = {
				task_contract_join_war_attacker_strength_ratio_value >= 0.4
				task_contract_join_war_attacker_strength_ratio_value <= 1.6
				can_create_task_contract = {
					type_name = laamp_join_war_contract
					employer = scope:attacker
				}
			}
			send_interface_message = {
				type = msg_task_contract_created
				title = join_war_contract_spawn.t
				desc = join_war_contract_spawn.desc_attacker
				left_icon = scope:attacker
				right_icon = scope:defender
				create_task_contract = {
					task_contract_employer = scope:attacker
					task_contract_type = laamp_join_war_contract
					task_contract_tier = scope:attacker.task_contract_tier_value
					location = scope:attacker.default_location
					save_scope_as = new_contract_attacker
				}
			}
			scope:new_contract_attacker = {
				set_variable = {
					name = retain_despite_distance
					value = yes
				}
				set_variable = {
					name = task_contract_war
					value = scope:war
				}
				set_variable = {
					name = task_contract_employer
					value = scope:attacker
				}
				set_variable = {
					name = task_contract_target
					value = scope:war.primary_defender
				}
			}
		}
		#else spawn contracts for both sides if their strength difference is +/- 100%
		if = {
			limit = {
				NOR = {
					exists = scope:new_contract_defender
					exists = scope:new_contract_attacker
				}
				task_contract_join_war_attacker_strength_ratio_value >= 0
				task_contract_join_war_attacker_strength_ratio_value <= 2
			}
			if = {
				limit = {
					can_create_task_contract = {
						type_name = laamp_join_war_contract
						employer = scope:attacker
					}
				}
				send_interface_message = {
					type = msg_task_contract_created
					title = join_war_contract_spawn.t
					desc = join_war_contract_spawn.desc_attacker
					left_icon = scope:attacker
					right_icon = scope:defender
					create_task_contract = {
						task_contract_employer = scope:attacker

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