What I needed was a way to stop the subscribers from receiving the event after a subscriber canceled it. In my situation I don't want the event to further propagate to the other subscribers after some subscriber canceled it. Canceling a school-hosted event. 1. Navigate to the specific event's overview page. 2. Click the blue button Cancel Event within the Actions section, located on the left side of the page. 3. Select who you'd like to notify about this cancelation within the pop-up: Notify Employers: this checkbox will only appear if you have an employer invited The removeEventListener() method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener() from the target. The event listener to be removed is identified using a combination of the event type, the event listener function itself, and various optional options that may affect the matching process; see Matching event listeners for removal. Select Scheduled events at the bottom of your mobile homepage. Select the scheduled event you’d like to change. To reschedule an event, select Reschedule. Then, choose how you would like to reschedule from the menu seen below. Send Email: send a reschedule link via email. Send Text: send a reschedule link via SMS text message. // THE CLI IS IN PREVIEW. NON-PRODUCTION USE ONLY mgc users events cancel post --user-id {user-id} --event-id {event-id} --body '{\ "Comment": "Cancelling for this week due to all hands"\ }\ ' For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation. If there was a private reason, you do not have to disclose but if possible, do include the reason why you are canceling the event. If you sent the invitation out electronically, you can easily send a note to your guests via the app that was used. (To send a note to all guests via Sendo Invitations, go to My Account > View Responses > Send a Note.) To delete an event: 1. Head over to your Events page and select the event you need to delete:. 2. Scroll to the bottom of the page, you'll see two options - "Delete Event" and "Save Changes" - click "Delete Event" to remove this event from your page. From your Feed, click Events in the left menu. You may have to click See more first. Go to your event page. Click and select Cancel Event. Select Cancel Event or Delete Event. Click Confirm. Learn how to edit your event. You can cancel a Facebook event and notify your guests. To cancel an event, call the preventDefault() method on the event. This keeps the implementation from executing the default action that is associated with the event. Event listeners that handle multiple kinds of events may want to check cancelable before invoking their preventDefault() methods. Step 4: Notify confirmed guests by email (optional) If you have guests who have RSVPed or registered for your event, you can choose to notify them of the cancelation or change of plans by email. At the bottom of the screen locate 'Send Email' button. Your event will be canceled once you send the cancelation notification. Once you complete these WEFBrO.