Microsoft.Graph 5.34.0 The Parsable does not contain a collection property (Places.GraphRoomList.GetAsync)

[ashleywb]

Describe the bug
I get the following error when trying to get a list of rooms using the following with a pageIterator
https://learn.microsoft.com/en-us/graph/api/place-list?view=graph-rest-1.0&tabs=csharp#request-1

The Parsable does not contain a collection property System.ArgumentException The Parsable does not contain a collection property at Microsoft.Graph.PageIterator2.ExtractEntityListFromParsable(TCollectionPage parsableCollection)
at Microsoft.Graph.PageIterator2.CreatePageIterator(IRequestAdapter requestAdapter, TCollectionPage page, Func2 callback, Func2 requestConfigurator, Dictionary2 errorMapping)`

To Reproduce
Steps to reproduce the behavior:
Running the following gives me the above error
var roomListCollectionResponse = await graphClient.Places.GraphRoomList.GetAsync(); var pageIterator = PageIterator<Room, RoomListCollectionResponse>.CreatePageIterator(Application.Client, roomListCollectionResponse, room => { return true; }); await pageIterator.IterateAsync();

Expected behavior
I should not encounter the error and a list of rooms should be returned. I can see in the initial response (roomListCollectionResponse) contains two rooms

Additional context
I'm currently using Microsoft.Graph 5.34.0

[andrueastman]

Thanks for raising this @ashleywb

As calling await graphClient.Places.GraphRoomList.GetAsync(); will return a collection of RoomList and not Room any chance your issue is resolved if you initialize the pageIterator as below with the right entity type?

var pageIterator = PageIterator<RoomList, RoomListCollectionResponse>.CreatePageIterator(graphClient, roomListCollectionResponse, room => { return true; });

[ashleywb]

Thanks for raising this @ashleywb

As calling await graphClient.Places.GraphRoomList.GetAsync(); will return a collection of RoomList and not Room any chance your issue is resolved if you initialize the pageIterator as below with the right entity type?

var pageIterator = PageIterator<RoomList, RoomListCollectionResponse>.CreatePageIterator(graphClient, roomListCollectionResponse, room => { return true; });

This looks to have resolved my issue, many thanks. Can#t believe I didn't spot/try this. Thanks again