Graph API $expand not working on a channels fileFolder

Question

Graph API $expand not working on a channels fileFolder

Adz 286

It says here that the $expand filer is supported for this endpoint

https://learn.microsoft.com/en-us/graph/api/channel-get?view=graph-rest-1.0&tabs=http#http-request

This is the error message I get back

The query specified in the URI is not valid. Query option 'Expand' is not allowed. To allow it, set the 'AllowedQueryOptions' property on EnableQueryAttribute or QueryValidationSettings.

Url that I call in Graph explorer

https://graph.microsoft.com/v1.0/teams/{team-id}/channels/{channel-id}?$expand=filesFolder

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Answer 1

Srinivasa Rao Darna 6,846 Microsoft External Staff

Hi @Adz ,

The documentation about query-parameters-expand suggests not all properties or resources support $expand.

You can use direct end point to get filesFolder for a teams channel.

GET /teams/{id}/channels/{id}/filesFolder

Refer channel-get-filesfolder for more information.

Hope this helps.

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Adz 286 Reputation points

2022-01-21T14:12:22.333+00:00

But if I've got a Team that has 10 channels and if I want to get all the filsFolder for those Channels, isn't it a bit inefficient to make the same call 10 times?

surely something like this should work /teams/{team-id{/channels?$expand=filesFolder .

I guess I can make a feature request.
Srinivasa Rao Darna 6,846 Reputation points Microsoft External Staff

2022-01-21T19:44:08.653+00:00

Hi @Adz ,

Thanks for reply and yes, you can submit this feature request using this support link, which will be monitored by Microsoft team and make the enhancements to Microsoft Graph APIs.

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Graph API $expand not working on a channels fileFolder

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