# Dynamic group links With dynamic group links, bookers can dynamically create group links by adding users using `+` between their usernames. {% embed url="" %} This feature allows you to append virtually unlimited number of Cal.com users by simply adding their usernames with a `+` between adjoining usernames, and have a collective group. Try it now with Bailey and Peer, visit This is an opt-in feature where a cal.com user can enable/disable if they wish to participate in this and allow the bookers to add them as part of a dynamic collective group. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://calcom.gitbook.io/docs/core-features/dynamic-group-links.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.