public function get_role( $service_sid, $friendly_name ) {

		$twilio = $this->twilio();

		$roles = $twilio->chat->v2->services( $service_sid )
			->roles
			->read( array(), 20 );

		foreach ( $roles as $record ) {
			if ( $record->friendlyName === $friendly_name ) {
				return $record->sid;
			}
		}
		return false;
	}