bp_get_group_creation_previous_link()

	function bp_get_group_creation_previous_link() {
		$bp    = buddypress();
		$steps = array_keys( $bp->groups->group_creation_steps );

		// Loop through steps.
		foreach ( $steps as $slug ) {

			// Break when the current step is found.
			if ( bp_is_action_variable( $slug ) ) {
				break;
			}

			// Add slug to previous steps.
			$previous_steps[] = $slug;
		}

		// Generate the URL for the previous step.
		$group_directory = bp_get_groups_directory_permalink();
		$create_step     = 'create/step/';
		$previous_step   = array_pop( $previous_steps );
		$url             = trailingslashit( $group_directory . $create_step . $previous_step );

		/**
		 * Filters the permalink for the previous step with the group creation process.
		 *
		 * @since BuddyPress 1.1.0
		 *
		 * @param string $url Permalink for the previous step.
		 */
		return apply_filters( 'bp_get_group_creation_previous_link', $url );
	}