Is it possible to retrieve Site Group memberships via Graph API?

[rick-scio]

What type of issue is this?

Question

What SharePoint development model, framework, SDK or API is this about?

SharePoint REST API

Target SharePoint environment

SharePoint Online

What browser(s) / client(s) have you tested

• 💥 Internet Explorer
• 💥 Microsoft Edge
• 💥 Google Chrome
• 💥 FireFox
• 💥 Safari
• mobile (iOS/iPadOS)
• mobile (Android)
• not applicable
• other (enter in the "Additional environment details" area below)

Additional environment details

No response

Issue description

Sharepoint sites have default Visitor, Member, and Owner groups that tenant users and Microsoft 365 Groups can be added to. We noticed that the Graph API does not list these groups via https://graph.microsoft.com/v1.0/groups, as these groups are treated as Sharepoint site groups and not Microsoft 365 groups. Additionally, we saw that it's possible to retrieve Site Group metadata via a hidden API, https://graph.microsoft.com/v1.0/sites/{siteId}/lists('User Information List')/items, but there appears to be no information on the membership of users within these groups.

Instead, we currently rely on the Sharepoint REST API, via https://<tenant_url>.sharepoint.com/sites/<site_name>/_api/web/SiteGroups?$expand=Users to retrieve this membership information.

Is there any way to retrieve the Site Group membership info via Graph APIs?

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[github-actions]

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[crazyrohila]

Any update on this issue? Was this resolved or still to use sharepoint API for this?