got_minister_position_effect

got_minister_position_effect = {
	save_scope_as = new_minister

	if = { # If your liege has a ministry, set up titles if needed
		limit = {
			scope:councillor_liege = {
				this != scope:new_minister
				tgp_has_access_to_ministry_trigger = yes
			}
			not = { exists = scope:swapped_position }
		}
		# Grant the ministry title if councillor doesn't have it
		if = {
			limit = {
				NOT = { has_title = title:$MINISTER_TITLE$ }
			}

			create_title_and_vassal_change = {
				type = appointment
				save_scope_as = minister_title_change
				add_claim_on_loss = no
			}

			if = {
				limit = {
					scope:councillor_liege = {
						tgp_has_access_to_ministry_trigger = yes
					}
				}
				# retire from other ministry primary titles
				scope:new_minister = {
					every_held_title = {
						limit = {
							this != title:$MINISTER_TITLE$
							tgp_is_minister_title = yes
						}
						change_title_holder = {
							holder = current_heir
							change = scope:minister_title_change
						}
					}
				}
			}

			title:$MINISTER_TITLE$ = {
				change_title_holder = {
					holder = scope:new_minister
					change = scope:minister_title_change
				}
			}
			resolve_title_and_vassal_change = scope:minister_title_change
		}
		# Add the correct title law if it doesn't have it already
		if = {
			limit = {
				exists = title:$MINISTER_TITLE$.holder
				title:$MINISTER_TITLE$ = title:e_minister_grand_marshal
				NOT = {
					title:$MINISTER_TITLE$ = {
						has_title_law = celestial_grand_marshal_appointment_succession_law
					}
				}
			}
			title:$MINISTER_TITLE$ = {
				add_title_law = celestial_grand_marshal_appointment_succession_law
			}
		}
		else_if = {
			limit = {
				exists = title:$MINISTER_TITLE$.holder
				NOR = {
					title:$MINISTER_TITLE$ = title:e_minister_grand_marshal
					title:$MINISTER_TITLE$ = {
						has_title_law = celestial_ministry_appointment_succession_law
					}
				}
			}
			title:$MINISTER_TITLE$ = {
				add_title_law = celestial_ministry_appointment_succession_law
			}
		}

		# Make them a minister if they don't have the council position
		if = {
			limit = {
				NOT = { has_council_position = $MINISTER_POSITION$ }
			}
			top_liege = {
				assign_councillor_type = {
					type = $MINISTER_POSITION$
					target = scope:new_minister
					remove_existing_councillor = yes
				}
			}
		}
		# If we have any vassals remaining, let's move them to where they are supposed to be
		if = {
			limit = {
				vassal_count > 0
			}
			create_title_and_vassal_change = {
				type = granted
				save_scope_as = minister_vassal_change
			}
			every_vassal = {
				change_liege = {
					liege = top_liege # I.e. the top liege
					change = scope:minister_vassal_change
				}
			}
			resolve_title_and_vassal_change = scope:minister_vassal_change
		}
		# If the new minister should be the diarch, make it so
		if = {
			limit = {
				OR = {
					AND = {
						top_liege ?= {
							has_realm_law = grand_chancellor_law
						}

As written in game/common/scripted_effects/10_dlc_tgp_scripted_effects.txt.