Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
10,592 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 1,721 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.
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