Get Message

Updated on 04 Jan 2023
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Step Details
Introduced in Version	3.0.0
Last Modified in Version	8.0.0
Location	Integration > Message Queues

Get Message

The Get Message step retrieves a message from a specified queue either by the queue name or from the Flow itself. The step will retrieve a message added to the queue.

The message will be returned as a MessageQueueMessage object, containing a list of attributes along with a List of Bytes representing the message payload.

Settings

Property	Description	Data Type
Queue Name	This setting is used to specify a queue to pull the message from.	String
Get Queue from Flow	If enabled, the message will be pulled from the connected queue in the Flow. This option requires the Flow to be created as a message queue handler Flow.	---

Outputs

Property	Description	Data Type
Message	An object containing the message, along with additional metadata surrounding the message	MessageQueueMessage

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 String Message 1[GetStringMessage] 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.GetStringMessage.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 ---

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