Pulling represents an action that triggers the retraction of the campaign from the players.
In order to be able to pull a campaign from the players, it must have been published first. When selecting an unpublished campaign, the pull button will be disabled.
If the campaign is published, the icon of the campaign will be green. Then, the pull button will be enabled.
After selecting the Pull button, a message will be shown at the bottom right corner of the page: