Add Parent ID as Label

Summary

This Confluence user macro adds the parent content ID (page ID) as a label to the current page.

Use Case

On several occcasions I received the requirement to add the parent page ID as a label to the (current) child page. This was helpful for certain plugins or simply needed as a relational link to the parent’s page topic.

Source Code

#* ============================================================================
 * ADD PARENT ID AS LABEL
 *
 * This Confluence user macro adds the parent content ID (page ID) as a label 
 * to the current page.
 *
 * Version: 1.0.002
 * Date:    2016-11-17
 * Author:  George Lewe
 * Source:  https://github.com/glewe/add-parent-id-as-label
 * License: GNU LGPLv3
 *
 * Macro body:      None
 * Body processing: None
 *#

#* ----------------------------------------------------------------------------
 * PARAMETERS
 *#
## @noparams

#* ----------------------------------------------------------------------------
 * INPUT
 *#

#* ----------------------------------------------------------------------------
 * OUTPUT
 *#
#set($myLabel = ""+$content.parent.id)
#set($success = ${content.labelUtil.addLabel($myLabel,$action.labelManager,$content)})