rror( sprintf( '%s > Mailchimp API Error: %s', $this->name, $mailchimp->get_error_message() ) );
			}

			// bail
			return false;
		}

		$log->info( sprintf( '%s > Successfully subscribed %s', $this->name, $subscriber->email_address ) );

		/**
		 * Runs right after someone is subscribed using an integration
		 *
		 * @since 3.0
		 *
		 * @param MC4WP_Integration $integration
		 * @param string $email_address
		 * @param array $merge_vars
		 * @param MC4WP_MailChimp_Subscriber[] $subscriber_data
		 * @param int $related_object_id
		 */
		do_action( 'mc4wp_integration_subscribed', $integration, $subscriber->email_address, $subscriber->merge_fields, $map, $related_object_id );

		return $result;
	}

	/**
	 * Are the required dependencies for this integration installed?
	 *
	 * @return bool
	 */
	public function is_installed() {
		return false;
	}

	/**
	 * Which UI elements should we show on the settings page for this integration?
	 *
	 * @return array
	 */
	public function get_ui_elements() {
		return array_keys( $this->options );
	}

	/**
	 * Does integration have the given UI element?
	 *
	 * @param string $element
	 * @return bool
	 */
	public function has_ui_element( $element ) {
		$elements = $this->get_ui_elements();
		return in_array( $element, $elements, true );
	}

	/**
	 * Return a string to the admin settings page for this object (if any)
	 *
	 * @param int $object_id
	 * @return string
	 */
	public function get_object_link( $object_id ) {
		return '';
	}

	/**
	 * Get the data for this integration request
	 *
	 * By default, this will return a combination of all $_GET and $_POST parameters.
	 * Override this method if you need data from somewhere else.
	 *
	 * This data should contain the value of the checkbox (required)
	 * and the lists to which should be subscribed (optional)
	 *
	 * @see MC4WP_Integration::$checkbox_name
	 * @see MC4WP_Integration::get_lists
	 * @see MC4WP_Integration::checkbox_was_checked
	 *
	 * @return array
	 */
	public function get_data() {
		$data = array_merge( (array) $_GET, (array) $_POST );
		return $data;
	}

	/**
	 * @return MC4WP_Debug_Log
	 */
	protected function get_log() {
		return mc4wp( 'log' );
	}

	/**
	 * @return MC4WP_API_V3
	 */
	protected function get_api() {
		return mc4wp( 'api' );
	}
}