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Sample: Basic plug-in

Applies To: Microsoft Dynamics CRM 2013, Microsoft Dynamics CRM Online

This sample code is for Microsoft Dynamics CRM 2013 and Microsoft Dynamics CRM Online. Download the Microsoft Dynamics CRM SDK package. It can be found in the following location in the download package:




Register this plug-in for an account entity, on the Create message, and in asynchronous mode. Alternately, you can register the plug-in on a post-event in the sandbox.


This sample shows how to write a basic plug-in that can access the Microsoft Dynamics CRM organization Web service.

The plug-in creates a task activity after a new account is created. The activity reminds the user to follow-up with the new account customer one week after the account was created.


Imports System.ServiceModel

' Microsoft Dynamics CRM namespace(s)
Imports Microsoft.Xrm.Sdk

Namespace Microsoft.Crm.Sdk.Samples

    Public Class FollowupPlugin
        Implements IPlugin

        ''' <summary>
        ''' A plug-in that creates a follow-up task activity when a new account is created.
        ''' </summary>
        ''' <remarks>Register this plug-in on the Create message, account entity,
        ''' and asynchronous mode.
        ''' </remarks>
        Public Sub Execute(ByVal serviceProvider As IServiceProvider) _
            Implements IPlugin.Execute

            'Extract the tracing service for use in debugging sandboxed plug-ins.
            Dim tracingService As ITracingService =

            ' Obtain the execution context from the service provider.
            Dim context As IPluginExecutionContext =

            ' The InputParameters collection contains all the data passed in the message request.
            If context.InputParameters.Contains("Target") AndAlso
                TypeOf context.InputParameters("Target") Is Entity Then

                ' Obtain the target entity from the input parameters.
                Dim entity As Entity = CType(context.InputParameters("Target"), Entity)

                ' Verify that the target entity represents an account.
                ' If not, this plug-in was not registered correctly.
                If entity.LogicalName.Equals("account") Then


                        ' Create a task activity to follow up with the account customer in 7 days. 
                        Dim followup As New Entity("task")

                        followup("subject") = "Send e-mail to the new customer."
                        followup("description") = "Follow up with the customer. " _
                            & "Check if there are any new issues that need resolution."
                        followup("scheduledstart") = Date.Now.AddDays(7)
                        followup("scheduledend") = Date.Now.AddDays(7)
                        followup("category") = context.PrimaryEntityName

                        ' Refer to the account in the task activity.
                        If context.OutputParameters.Contains("id") Then

                            Dim regardingobjectid As _
                                New Guid(context.OutputParameters("id").ToString())
                            Dim regardingobjectidType As String = "account"

                            followup("regardingobjectid") =
                                New EntityReference(regardingobjectidType,

                        End If

                        ' Obtain the organization service reference.
                        Dim serviceFactory As IOrganizationServiceFactory =
                        Dim service As IOrganizationService =

                        ' Create the task in Microsoft Dynamics CRM.
                        tracingService.Trace("FollowupPlugin: Creating the task activity.")

                    Catch ex As FaultException(Of OrganizationServiceFault)

                        Throw New InvalidPluginExecutionException(
                            "An error occurred in the FollupupPlugin plug-in.", ex)

                    Catch ex As Exception

                        tracingService.Trace("FollowupPlugin: {0}", ex.ToString())

                    End Try

                End If
            End If

        End Sub
    End Class

End Namespace

See Also

Microsoft Dynamics CRM 2013 and Microsoft Dynamics CRM Online
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