setup_nomadic_leader_effect

setup_nomadic_leader_effect = {
	save_scope_as = faction

	random_faction_county_member = {
		save_scope_as = peasant_county
	}

	# Create a leader for the nomadic faction.
	create_character = {
		location = scope:peasant_county.title_province
		template = nomadic_faction_leader_template
		faith = scope:peasant_county.faith
		rite = scope:peasant_county.rite
		culture = scope:peasant_county.culture
		gender_female_chance = {
			if = {
				limit = { scope:peasant_county.rite = { rite_has_doctrine = doctrine_gender_male_dominated } }
				add = 0
			}
			else_if = {
				limit = { scope:peasant_county.rite = { rite_has_doctrine = doctrine_gender_female_dominated } }
				add = 100
			}
			else = {
				add = 50
			}
		}
		save_scope_as = peasant_leader
	}
	scope:peasant_leader = {
		set_character_rite = scope:peasant_county.rite
		add_character_flag = peasant_faction_random_peasant
	}

	# Create a new title for the peasant.
	create_dynamic_title = {
		tier = duchy
		name = FACTION_NOMADIC_REVOLT_TITLE_NAME
	}
	create_title_and_vassal_change = {
		type = created
		save_scope_as = change
		add_claim_on_loss = no
	}
	scope:new_title = {
		set_capital_county = scope:peasant_county
		set_landless_title = yes
		set_destroy_on_succession = yes
		set_delete_on_destroy = yes
		set_no_automatic_claims = yes
		set_definitive_form = yes
		set_can_be_named_after_dynasty = no
		change_title_holder = {
			holder = scope:peasant_leader
			change = scope:change
		}
		set_variable = {
			name = faction
			value = scope:faction
		}
	}
	resolve_title_and_vassal_change = scope:change
	scope:peasant_leader = {
		set_variable = {
			name = peasant_title
			value = scope:new_title
		}
		if = {
			limit = {
				is_ruler = yes
				NOT = {
					government_has_flag = government_is_nomadic
				}
			}
			change_government = nomad_government
		}
	}
	scope:new_title = { generate_coa = factions }

	# Set the peasant leader as the head of the faction.
	scope:peasant_leader = {
		set_variable = {
			name = rebel_leader_peasants
			value = scope:faction
		}
		join_faction_skip_check = scope:faction
	}
	set_special_character = scope:peasant_leader
}

As written in game/common/scripted_effects/00_faction_effects.txt.