mpo_overrunner_becomes_clan_trigger

mpo_overrunner_becomes_clan_trigger = {
	scope:attacker = {
		OR = {
			#Personal reasons to go clan
			faith.religion = religion:islam_religion
			culture = {
				OR = {
					has_cultural_pillar = heritage_arabic
					has_cultural_pillar = heritage_iranian
				}
			}
			#Person you're taking from has clan and presence in target region
			scope:defender = {
				government_has_flag = government_is_clan
				scope:target = {
					holder ?= scope:defender
				}
				scope:target = {
					title_capital_county = {
						holder.top_liege = scope:defender
						OR = {
							culture = { has_cultural_pillar = heritage_arabic }
							culture = { has_cultural_pillar = heritage_iranian }
							faith.religion = religion:islam_religion
						}
					}
				}
			}
			#Solid islamic presence in target region
			trigger_if = {
				limit = {
					scope:defender = {
						any_realm_de_jure_duchy = {
							kingdom = scope:target
							title_capital_county = {
								holder.top_liege = scope:defender
							}
						}
					}
				}
				scope:defender = {
					any_realm_de_jure_duchy = {
						count = all
						kingdom = scope:target
						title_capital_county = {
							holder.top_liege = scope:defender
							OR = {
								culture = { has_cultural_pillar = heritage_arabic }
								culture = { has_cultural_pillar = heritage_iranian }
								faith.religion = religion:islam_religion
							}
						}
						
					}
				}
			}
			#Every county is islamic
			trigger_else = {
				scope:target = {
					any_de_jure_county = {
						count = all
						holder.top_liege = scope:defender
						OR = {
							culture = { has_cultural_pillar = heritage_arabic }
							culture = { has_cultural_pillar = heritage_iranian }
							faith.religion = religion:islam_religion
						}
					}
				}
			}

		}
	}
}

As written in game/common/scripted_triggers/mpo_scripted_triggers.txt.