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This is the choice field which customizes choice to drop down using jquery ,

enter image description here SharePoint 2013 Designer Workflow gets canceled when I run it. It's giving me this error:

System.InvalidCastException: The value 'd/results(0)/Users' cannot be read as type 'String'. at Microsoft.Activities.GetDynamicValueProperty`1.CheckedRead(String propertyName, DynamicItem value) at Microsoft.Activities.GetDynamicValueProperty`1.Execute(CodeActivityContext context) at System.Activities.CodeActivity`1.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager) at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

  • Off the top of my head, I'd say that "Users", since it's plural, implies a multi-user field, so it would be returning either a Collection of some sort (string user names? int user IDs?), or possibly another Dynamic Value, if it has more complex/full user objects. – Dylan Cristy Aug 26 '16 at 15:23
  • We need more information. What does your workflow do? Is there a custom initiation form? What type of field is Users? – Erin L Aug 26 '16 at 15:35
  • Its list form, type of users is choice. please check attachment. – Admin Aug 29 '16 at 6:30
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enter image description here

to get a value of sharepoint group you need to declare it as Int.

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  • Thank you for reply but Users type is choice not group. – Admin Aug 29 '16 at 6:43
  • what kind of users you have on your choice field?? single user or group of users?? – Melad Batta Aug 29 '16 at 6:51
  • users can be select multiple users based on check box please check attachment updated questions. – Admin Aug 29 '16 at 6:55
  • Thank you Milad .. I got answer, return type of users set Choices – Admin Aug 29 '16 at 11:35
  • Awesome to have it work :) – Melad Batta Aug 29 '16 at 11:51

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