pam_can_expand_clerical_region_after_war_trigger

pam_can_expand_clerical_region_after_war_trigger = {
	exists = scope:target
	#You hold a clerical region that neighbors or is within target
	save_temporary_scope_as = archbishop_temp
	any_held_title = {
		has_clerical_region = yes
		save_temporary_scope_as = clerical_region_title_temp
		any_county_in_clerical_region = {
			trigger_if = {
				limit = {
					scope:target = {
						tier = tier_county
					}
				}
				any_neighboring_county = {
					this = scope:target
					NOT = { exists = clerical_region_title }
				}
				#The rest of the duchy needs to be ready
				scope:target = {
					duchy = {
						#All counties must have no clerical region
						#All counties must be within recipient's realm OR held by a same-faith ruler
						any_de_jure_county = {
							count >= all
							NOT = { exists = clerical_region_title }
							OR = {
								this = scope:target
								NOT = {
									holder = {
										faith = scope:puppet_or_actor.faith
									}
								}
							}
						}
					}
				}
			}
			trigger_else_if = {
				limit = {
					scope:target = {
						tier = tier_duchy
					}
				}
				any_neighboring_county = {
					duchy = scope:target
					NOT = { exists = scope:clerical_region_title }
				}
				scope:target = {
					#All counties must have no clerical region
					#All counties must be within recipient's realm OR held by a same-faith ruler
					any_de_jure_county = {
						count >= all
						NOT = { exists = clerical_region_title }
						holder = {
							OR = {
								this = $HEATHEN$
								target_is_liege_or_above = $HEATHEN$
								faith = scope:puppet_or_actor.faith
							}
						}
					}
				}
			}
			trigger_else = {
				any_neighboring_county = {
					kingdom = scope:target
					NOT = { exists = clerical_region_title }
					save_temporary_scope_as = county_temp
				}
				scope:target = {
					any_direct_de_jure_vassal_title = {
						#All counties must have no clerical region
						#All counties must be within recipient's realm OR held by a same-faith ruler
						any_de_jure_county = {
							count >= all
							NOT = {
								exists = clerical_region_title
							}
							holder = {
								OR = {
									this = $HEATHEN$
									target_is_liege_or_above = $HEATHEN$
									faith = scope:puppet_or_actor.faith
								}
							}
						}
						any_de_jure_county = {
							this = scope:county_temp
						}
					}
				}
			}
		}
	}
}

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