These functions create groups, set and modify group attributes, and obtain information about existing groups.
| Function | Description |
| EssListGroups() | Lists all groups who have access to a particular Essbase server. |
| EssCreateGroup() | Creates a new group. |
| EssDeleteGroup() | Deletes an existing group. |
| EssRenameGroup() | Renames an existing group. |
| EssGetGroup() | Gets a group information structure, which contains security information for the group. |
| EssSetGroup() | Sets a group information structure. |
| EssGetGroupList() | Gets the list of users who are members of a group (or the list of groups to which a user belongs). |
| EssSetGroupList() | Sets list of users who are members of group. |
| EssAddToGroup() | Adds user to a list of group members. |
| EssDeleteFromGroup() | Removes a user from a list of group members |