> ## Documentation Index > Fetch the complete documentation index at: https://ona.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Groups > Reference for the Groups API methods. ## Methods Creates a new group within an organization. Creates a membership for a user in a group. Creates a role assignment for a group on a resource. Deletes a group and removes all its resource assignments. Deletes a membership for a user in a group. Deletes a role assignment. Gets information about a specific group by ID or name. Gets a specific membership by group ID and subject. Lists groups with optional pagination. Lists all memberships of a group. Lists role assignments for a group or resource. Shares a resource directly with a principal (user or service account). Removes direct access for a principal (user or service account) from a resource. Updates group information.