mpo_gok_coalition_member_trigger

mpo_gok_coalition_member_trigger = {
	save_temporary_scope_as = foe
	
	in_diplomatic_range = root
	is_ai = yes
	OR = {
		is_landless_nomad = yes
		is_landless_adventurer = yes
		is_landed = yes
	}
	NOR = {
		this = root
		top_liege = root
		is_allied_to = root
		is_tributary_of_suzerain_or_above = root
		top_liege = {
			is_tributary_of_suzerain_or_above = root
		}
		has_relation_friend = root
		has_relation_blood_brother = root
		opinion = {
			target = root
			value >= 100
		}
		
		highest_held_title_tier < tier_county
		government_has_flag = government_is_herder
		is_imprisoned_by = root
		is_obedient_to = root
	}
	##Only relatively strong non-nomads will mess with you
	trigger_if = {
		limit = {
			NOT = {
				government_has_flag = government_is_nomadic
			}
		}
		OR = {
			AND = {
				highest_held_title_tier >= tier_duchy
				sub_realm_size >= 8
			}
			is_confederation_member = yes
		}
	}
	##Only house members who dislike you will oppose you
	trigger_if = {
		limit = {
			OR = {
				AND = {
					exists = house
					exists = root.house
					house = {
						this = root.house
					}
				}
				#also those with direct alliances to root
				is_allied_to = root
			}
			
		}
		opinion = {
			target = root
			value < 0
		}
	}
	#Lower tier rulers
	trigger_if = {
		limit = {
			highest_held_title_tier < tier_duchy
		}
		OR = {
			NOT = {
				has_dread_level_towards = {
					target = root
					level >= 2
				}
			}
			faith = {
				faith_hostility_level = {
					target = root.faith
					value > faith_astray_level
				}
			}
			opinion = {
				target = root
				value <= -40
			}
			is_confederation_member = yes
			root = {
				any_land_neighboring_realm_with_tributaries_owner = {
					this = scope:foe
				}
			}
		}
		
	}
}

As written in game/common/scripted_triggers/09_mpo_greatest_of_khans_triggers.txt.