Issue with GraphAPI Uploads to Teams-Associated SharePoint and Viewer Error

Question

Issue:It is possible to upload files to SharePoint associated with Teams using GraphAPI, and it can be uploaded to a folder associated with the team.When attaching a file via GraphAPI to post in Teams, it shows as attached on the UI, but when trying to preview by pressing the icon, it results in an error in the viewer.What was checked:I uploaded the same set of attached files from Teams UI and retrieved the chat content via GraphAPI to check the attachments object. I set the same key as the attachments object while sending the chat message via GraphAPI, but the issue was not resolved.Observation:When transitioning to the viewer, the correct URL should be https://teams.microsoft.com/_?culture=ja-jp&amp;country=jp#/txt/viewer/teams_ns/${sharepointUrl},but files uploaded via GraphAPI have a URL like https://teams.microsoft.com/_?culture=ja-jp&amp;country=jp#/txt/viewer/null_ns/${sharepointUrl}.The difference lies in teams_ns and null_ns.Reference:Discussion on a similar issue on the Microsoft Forum (not closed as of today).https://techcommunity.microsoft.com/t5/teams-developer/send-chat-message-with-attachment-in-teams-channel/m-p/3620579&nbsp;

chetansharma-msft · Answer

Hello shuheitagawa - Thanks for raising your query.We will look into it and let you know the updates.

shuheitagawa · Answer

Hello, do you have any updates on this?We build the application which works with Microsoft-Teams and this problem is critical issue for us.Thank you in advance.

meghana-msft · Answer

We are checking this internally, we will get back to you.

meghana-msft · Answer

We can only repro this experience if an incorrect etag for the share point file is used.We are able to preview the file as expected with correct etag.Can you please confirm if you are using the correct etag as file attachment id.

shuheitagawa-deilive · Answer

Meghana-MSFT&nbsp;&nbsp;Hello.I still have a problem with it.After uploading to the share point, we can get DriveItem resource from GraphAPI which has `eTag` property.https://learn.microsoft.com/en-us/graph/api/resources/driveitem?view=graph-rest-1.0&nbsp;As a next step, we want to send message to Teams with attachments.We were following the example above.Example 3: Send a message containing cardshttps://learn.microsoft.com/en-us/graph/api/chatmessage-post?view=graph-rest-1.0&amp;tabs=http#example-3-send-a-message-containing-cardWe generated unique uuid by ourselves and add it to the id property with request.I also checked that I added `eTag` associated with DriveItem to the id property but it didn't work.&nbsp;POST https://graph.microsoft.com/v1.0/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
    "subject": null,
    "body": {
        "contentType": "html",
        "content": "&lt;attachment id=\"74d20c7f34aa4a7fb74e2b30004247c5\"&gt;&lt;/attachment&gt;"
    },
    "attachments": [
        {
            "id": "74d20c7f34aa4a7fb74e2b30004247c5",
            "contentType": "application/vnd.microsoft.card.thumbnail",
            "contentUrl": null,
            "content": "{
  \"title\": \"This is an example of posting a card\",
  \"subtitle\": \"&lt;h3&gt;This is the subtitle&lt;/h3&gt;\",
  \"text\": \"Here is some body text. &lt;br&gt;\r\nAnd a &lt;a href=\\"http://microsoft.com/\\"&gt;hyperlink&lt;/a&gt;. &lt;br&gt;\r\nAnd below that is some buttons:\",
  \"buttons\": [
    {
      \"type\": \"messageBack\",
      \"title\": \"Login to FakeBot\",
      \"text\": \"login\",
      \"displayText\": \"login\",
      \"value\": \"login\"
    }
  ]
}",
            "name": null,
            "thumbnailUrl": null
        }
    ]
}&nbsp;

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Issue with GraphAPI Uploads to Teams-Associated SharePoint and Viewer Error

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