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Get Message Count

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Step Details
Introduced in Version4.0.0
Last Modified in Version8.0.0
LocationIntegrations > Message Queues

The Get Message Count step is used to retrieve and return the total count of all messages within a queue. The step will output an Int64 value.

Prerequisites 

This Step requires Users to install the About Messaging Module before it will be available in the toolbox.

In V9 a dependency must be established before the steps will be available in the toolbox.


Properties

Settings

PropertyDescriptionData Type
Queue NameName of queue to get the message count from.String
Get Queue from FlowIf enabled, the next available message count will be pulled from a connected queue in the flow. This option requires the flow to be created as a message queue handler.Boolean

Outputs

PropertyDescriptionData Type
Done


Message CountOutputs number of messages.Int64


Common Errors

Missing Queue Selection

If a message queue is not selected under the SETTINGS category for the step, the step will throw an error. Ensure that a queue has been selected before running the step.

Exception message:

Exception Stack Trace: DecisionsFramework.Design.Flow.ErrorRunningFlowStep: Error running step Get Message Count 1[GetMessageCount] in flow [Testing]: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object.   at DecisionsFramework.Data.Messaging.MessageServerEndpoint.GetQueueByName(String queueName)   at DecisionsFramework.Data.Messaging.MessagingService.GetQueueByName(String queueName)   at DecisionsFramework.Data.Messaging.BaseMessagingStep.GetQueue(StepStartData stepData)   at DecisionsFramework.Data.Messaging.GetMessageCount.Run(StepStartData data)   at DecisionsFramework.Design.Flow.FlowStep.RunStepInternal(String flowTrackingID, String stepTrackingID, KeyValuePairDataStructure[] stepRunDataValues, AbstractFlowTrackingData trackingData)   at DecisionsFramework.Design.Flow.FlowStep.Start(String flowTrackingID, String stepTrackingID, FlowStateData data, AbstractFlowTrackingData trackingData, RunningStepData currentStepData)
   --- End of inner exception stack trace ---
Related Information

Forum Posts:

Get Message from Message Queue