public function get_data( $key = null, $default = '' ) {

		// Get the array of processor data.
		$all_data = get_option( 'llms_processor_data', array() );

		// Get data for current processor.
		$data = isset( $all_data[ $this->id ] ) ? $all_data[ $this->id ] : array();

		// Get a specific piece of data.
		if ( $key ) {
			return isset( $data[ $key ] ) ? $data[ $key ] : $default;
		}

		// Return all the data.
		return $data;

	}