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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Is it possible to requ...
Microsoft Dynamics CRM (Archived)

Is it possible to request cancel in a custom workflow?

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Posted on by Community Member Microsoft Employee

Hello all!

Is it possible to request cancel in a custom workflow using C#?

Please look at the example below.

namespace test_workflow
{
    public class JustTesing: CodeActivity
        {
            protected override void Execute(CodeActivityContext executionContext)
            {

                if(boolean)
                {

                   //do stuff

                 }
                else
                 {

                    // I would like to cancel the workflow here so in the workflow history it will appear as canceled

                  }

            }
     }
}


Thank you!

*This post is locked for comments

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Is it possible to request cancel in a custom workflow?

    Simply added a boolean output as you suggested and it worked. Didn't change anything else.

    Thank you

  • Suggested answer
    Ben Thompson Profile Picture
    Ben Thompson 6,350 on at
    RE: Is it possible to request cancel in a custom workflow?

    The error message  "The given key was not present in the directory" is talking about an error elsewhere in your code - it won't be related to that (x> y) bit. Could you paste the complete code so we can try to identify where you are asking for something without checking if it is there.  

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Is it possible to request cancel in a custom workflow?

    Hmm.. I had the following and the workflow says failed with error message " The given key was not present in the directory" when the condition in if statement was not met.

    namespace test_workflow

    {

       public class JustTesing: CodeActivity

           {

               protected override void Execute(CodeActivityContext executionContext)

               {

                   try {

                           //retrieved some fields here and computed x and y, everything are solid

                        if( x > y)

                        {

                          //do stuff

                         }

                    }

                    catch(exception e){

                             throw new InvalidPluginExecutionException(e.Message);

                    }

               }

        }

    }

  • Verified answer
    Ben Thompson Profile Picture
    Ben Thompson 6,350 on at
    RE: Is it possible to request cancel in a custom workflow?

    You cannot cancel a workflow directly from the custom workflow you called so the best way to achieve what you want would be to add a boolean output parameter to your custom workflow and set it  Yes if the workflow was successfully and No if you want the workflow to cancel itself.

    Then check the value of that output parameter in the next step of the workflow and if No is returned Stop the workflow with a status of cancelled.

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