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Onur
2026-01-08 14:03:06 +03:00
committed by Peter Steinberger
parent 678d704341
commit 96b4d885ac
1 changed files with 5 additions and 0 deletions
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tmp/2026-01-08-msteams-permissions-and-capabilities.md
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@@ -33,6 +33,7 @@ Works:
Does NOT work: Does NOT work:
- **Image/file content** from channel or group chat messages (payload only includes HTML stub). - **Image/file content** from channel or group chat messages (payload only includes HTML stub).
- Downloading attachments stored in SharePoint/OneDrive (requires Graph). - Downloading attachments stored in SharePoint/OneDrive (requires Graph).
- Reading **message history** beyond the live webhook event (requires Graph).
- Accessing messages outside the installed team. - Accessing messages outside the installed team.
### With **Teams RSC + Microsoft Graph Application permissions** ### With **Teams RSC + Microsoft Graph Application permissions**
@@ -40,6 +41,7 @@ Adds:
- Downloading **hosted contents** (images pasted into messages). - Downloading **hosted contents** (images pasted into messages).
- Downloading **file attachments** stored in SharePoint/OneDrive. - Downloading **file attachments** stored in SharePoint/OneDrive.
- Full message/attachment lookup via Graph endpoints. - Full message/attachment lookup via Graph endpoints.
- Reading **channel/chat message history** via Graph.
Still **not** added automatically: Still **not** added automatically:
- 1:1 chat file support (requires separate Bot file flows if we want to support it). - 1:1 chat file support (requires separate Bot file flows if we want to support it).
@@ -79,6 +81,9 @@ Teams stores images and files in Microsoft 365 storage (SharePoint/OneDrive). Th
If Graph tokens are unavailable (permissions missing or no admin consent), image downloads will always fail. If Graph tokens are unavailable (permissions missing or no admin consent), image downloads will always fail.
## Note on History Access
The Teams bot webhook only delivers **new** messages. Any attempt to fetch **prior messages**, thread history, or message lists requires Microsoft Graph permissions (for example, `ChannelMessage.Read.All` or `Chat.Read.All`). Without Graph, history lookups will always return empty or be unavailable.
## Validation Checklist ## Validation Checklist
- [ ] Teams app installed in target team. - [ ] Teams app installed in target team.
- [ ] Graph permissions added and admin consented. - [ ] Graph permissions added and admin consented.