natural_disaster_assign_councillor_to_manage_effect

natural_disaster_assign_councillor_to_manage_effect = {
	if = {
		limit = {
			government_has_flag = government_is_nomadic
			any_councillor = { is_kurultai_trigger = yes }
		}
		random_councillor = {
			limit = { is_kurultai_trigger = yes }
			save_scope_as = councillor
		}
	}
	else_if = {
		limit = {
			government_has_flag = government_is_landless_adventurer
			any_court_position_holder = { type = second_camp_officer }
		}
		random_court_position_holder = {
			type = second_camp_officer
			save_scope_as = councillor
		}
	}
	else_if = {
		limit = {
			tgp_has_access_to_ministry_trigger = yes
			exists = cp:minister_works
		}
		cp:minister_works = { save_scope_as = councillor }
	}
	else_if = {
		limit = { exists = cp:councillor_steward }
		cp:councillor_steward = { save_scope_as = councillor }
	}
	else_if = {
		limit = { any_councillor = {} }
		random_councillor = { save_scope_as = councillor }
	}
	else = {
		random_courtier = { save_scope_as = councillor }
	}
	$GREAT_PROJECT$ = {
		set_variable = {
			name = managing_councillor
			value = scope:councillor
		}
	}
}

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