Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
12,289 questions
Graph Api - Tasks Open Type Extensions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 57.99999999999999%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMH%3C/text%3E%3C/svg%3E)
Mike Hartman
26
Reputation points
How to expand open type extension data on task delta queries
When I use the expand and pass the filter, it throws an exception, even when the documentation shows the exact same code
Here is the exception message: Code: BadRequest
Message: Parsing OData Select and Expand failed: Value cannot be null. (Parameter 'initialState')
Inner error:
AdditionalData:
date: 2022-08-08T17:19:02
request-id: 913c2b75-f79a-4242-85d8-afcf1ef9ad1a
client-request-id: 913c2b75-f79a-4242-85d8-afcf1ef9ad1a
ClientRequestId: 913c2b75-f79a-4242-85d8-afcf1ef9ad1a
Stack trace: at Microsoft.Graph.SimpleHttpProvider.<SendAsync>d__10.MoveNext()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.ConfiguredTaskAwaitable1.ConfiguredTaskAwaiter.GetResult() at Microsoft.Graph.BaseRequest.<SendRequestAsync>d__40.MoveNext() at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.ConfiguredTaskAwaitable1.ConfiguredTaskAwaiter.GetResult()
at Microsoft.Graph.BaseRequest.<SendAsync>d__341.MoveNext() at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.ConfiguredTaskAwaitable1.ConfiguredTaskAwaiter.GetResult()
at Microsoft.Graph.TodoTaskDeltaRequest.<GetAsync>d__1.MoveNext()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at Tsi.Data.Integration.Outlook.Clients.Tasks.GraphTodoTaskClient.<GetChangedTodoTasks>d__6.MoveNext() in C:\Tigerpaw\Git\Utility-Data-Integration\Tsi.Data.Integration\Tsi.Data.Integration.Outlook\Clients\Tasks\GraphTodoTaskClient.cs:line 239
{count} vote
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(224.00000000000003, 8%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
Sheena-MSFT 1,736 Reputation points2022-08-09T15:05:34.677+00:00 Hi @Mike Hartman ,
Could you please share the Graph API endpoint? Have you tried to recreate this issue using Graph Explorer/Postman?
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 89%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKS%3C/text%3E%3C/svg%3E)
Kumar Saurabh 1 Reputation point2022-12-06T15:58:17.493+00:00 @Sheena-MSFT I have same issue, using Graph Explorer
Error is
{
"error": {
"code": "BadRequest",
"message": "Parsing OData Select and Expand failed: Value cannot be null. (Parameter 'initialState')",
"innerError": {
"date": "2022-12-06T15:55:13",
"request-id": "XXXX",
"client-request-id": "XXXX"
}
}
}Using https://graph.microsoft.com/v1.0/me/mailFolders/Inbox/messages/?$expand=singleValueExtendedProperties($filter=Id%20eq%20'LONG%200x0E08')
Works fine.As per documents https://learn.microsoft.com/en-us/graph/api/message-delta?view=graph-rest-1.0&tabs=http#odata-query-parameters
Delta query support $select, $top, and $expand for messages. -
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 60%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
Eduard 6 Reputation points2024-07-29T20:53:26.4666667+00:00 I get the same exact error when using CalendarView.Delta.GetAsDeltaGetResponseAsync of Graph SDK. If I remove the $expand, it works but extension data must be requested separately. I think its odata bug and it's kind of tracked here:
https://github.com/OData/odata.net/issues/1667
https://github.com/OData/odata.net/issues/1162
However this syntax is also documented in calendar view delta queries... so really strange situation. In any case i'm testing the "singleValueExtendedProperties" and it works fine for calendarview, so thank you @kumar
Microsoft.Graph.Models.ODataErrors.ODataError : Parsing OData Select and Expand failed: Value cannot be null. (Parameter 'initialState') at Microsoft.Kiota.Http.HttpClientLibrary.HttpClientRequestAdapter.ThrowIfFailedResponse(HttpResponseMessage response, Dictionary`2 errorMapping, Activity activityForAttributes, CancellationToken cancellationToken)
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