grab_attending_culture_faith_barony_effect

grab_attending_culture_faith_barony_effect = {
	random_attending_character = {
		limit = { culture.culture_number_of_counties > 0 }
		culture = { save_scope_as = attending_culture }
	}
	scope:attending_culture = {
		random_culture_county = {
			faith = { save_scope_as = attending_faith }
			random_direct_de_jure_vassal_title = { save_scope_as = attending_barony }
		}
	}
	if = {
		limit = {
			NOT = { exists = scope:attending_culture }
		}
		scope:activity.activity_location.barony = { save_scope_as = attending_barony }
		scope:attending_barony.county = {
			culture = { save_scope_as = attending_culture }
			faith = { save_scope_as = attending_faith }
		}
	}
}

As written in game/common/scripted_effects/04_dlc_ep2_tournament_effects.txt.