# Appending Custom Parameter To Zoom Join\_URL **URL:** \ **Category:** Meetings\ **Created:** [March 11, 2024, 9:01am UTC](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url/105442 "2024-03-11T09:01:20Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![procurement](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/procurement/32/57404_2.png) [@procurement](https://devforum.zoom.us/u/procurement)\ **Post date:** [March 11, 2024, 9:01am UTC](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url/105442/1 "2024-03-11T09:01:20Z")
I want my id( i.e) a user id / information that I want zoom to pass to me back in webhooks of participants who joined and left webhook with the unique identifier from my database which i can append during providing the join url to my attendees. In simple terms, let’s say I have a setting to take attendance who have joined the zoom meeting , and a unique identifier is my db’s userid . I want the information to pass on to me with the value that i have provided. ---
**Author:** ![gianni.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gianni.zoom/32/32523_2.png) [@gianni.zoom](https://devforum.zoom.us/u/gianni.zoom)\ **Post date:** [March 14, 2024, 4:23am UTC](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url/105442/2 "2024-03-14T04:23:09Z")
Hi @procurement , please do a search on the forum about this and you will find a lot of clarity 🙂 ---
**Author:** ![procurement](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/procurement/32/57404_2.png) [@procurement](https://devforum.zoom.us/u/procurement)\ **Post date:** [March 14, 2024, 7:40am UTC](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url/105442/4 "2024-03-14T07:40:34Z")
Hello Giani , Can you help me more here as searching doesn’t help exactly with the solution. ---
**Author:** ![gianni.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gianni.zoom/32/32523_2.png) [@gianni.zoom](https://devforum.zoom.us/u/gianni.zoom)\ **Post date:** [March 14, 2024, 4:28pm UTC](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url/105442/5 "2024-03-14T16:28:48Z")
Hi @procurement , In short, customization options for the join parameter are limited, including a unique identifier: > [@Appending Custom Parameter to Zoom Join\_URL? continued](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url-continued/34590): > > Unfortunately, topics are being closed very quickly here, so I have to create a new topic that just continues on an existing one at: In the answer, Tommy (staff) writes: You can [generate unique join links with custom fields](https://marketplace.zoom.us/docs/api-reference/zoom-api/meetings/meetingregistrantcreate) And then links to the API docs explaining how to add a registrant, not how to generate unique join links. I want to know how to create a connection between registrants their “unique join link”. I want to implement the following scenario: Schedule a meeting for a host A… > [@Appending Custom Parameter to Zoom Join\_URL? continued II](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url-continued-ii/42009): > > I’m not a big fan of auto-closing topics. Instead of just adding a new item to the conversation, I have open a new topic. Can you imagine how StackOverflow would look like when questions were auto-closed after 30 days? Exactly. Following up on [Appending Custom Parameter to Zoom Join\_URL? continued](https://devforum.zoom.us/t/appending-custom-parameter-to-zoom-join-url-continued/34590)], I can confirm that what was suggested by the friendly Zoom-staff does pretty much what I was after. For anyone interested, here’s the summary of how it works/does not work: You can pre-register a…