This is used to show the user how he/she can opt out of push notifications. A modal box will open up with a screenshot showing how a user can unsubscribe.
The same is pushed into the global _pcq queue.
Parameters:
- triggerOptOut: Command to trigger OptOut.
Refer to the syntax below:
_pcq.push(['triggerOptOut']);
window._pcq = window._pcq || [];
_pcq.push(['triggerOptOut']);