# Which Problems Are Solved
1. Adding users to user groups and removing users from user groups.
2. Searching for users in user groups by group IDs or user IDs
# How the Problems Are Solved
By adding:
1. The API definitions to manage users in users groups
3. The command-layer implementation of adding users/removing users
to/from user groups.
4. The projection table group_users1
5. Query-side implementation to search for users in user groups
# Additional Changes
1. Remove debug statements from unit tests.
2. Fix removal of groups when orgs are removed
3. Add unit tests for groups projection
# Additional Context
* Related to #9702
* Follow-up for PRs
* https://github.com/zitadel/zitadel/pull/10455
* https://github.com/zitadel/zitadel/pull/10758
* https://github.com/zitadel/zitadel/pull/10853
