restore_badd_fortress_scripted_effect

restore_badd_fortress_scripted_effect = {
	
	# Buff Ahar 
	title:b_ahar = {
		# Give it an extra building slot.
		title_province = {
			add_province_modifier = extra_building_slot
			add_province_modifier = { #and a mighty defensive buff
				modifier = fp3_mountain_redoubt_modifier
			}
		}	
	}
	title:c_tabriz = { # And a decent development boost.
		change_development_level = minor_development_level_gain
	}
	# Make it your capital if it wasn't already.
	if = {
		limit = {
			NOT = { capital_county = title:c_tabriz }
		}
		set_realm_capital = title:c_tabriz
	}
	title:b_ahar = { set_capital_barony = yes }		
}

As written in game/common/scripted_effects/01_dlc_fp3_scripted_effects.txt.