Create a simple task sequence

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In a process flow, a task sequence is a series of tasks that are performed together and assigned to a task executer,

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such as an Operator or a Transporter.

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Task sequences are essential for modeling and controlling the behavior of task executers in your model,

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enabling an accurate simulation of both simple and complex processes.

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Here, review an example of a simple task sequence, where items arrive through the Source,

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enter the first Queue, and are then transported by an Operator to the Conveyor.

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You can easily set this up directly in your model using 3D logic by connecting the Queue to the Conveyor,

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center-connecting the Queue to the Operator, and then, in Queue Properties, selecting Use Transport.

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Watch as the model is Reset and Run.

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While this setup does work, alternatively, you can create a task sequence in your process flow to achieve this same result,

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but that also offers increased flexibility and more options for customization.

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With the 3D connectors removed, begin in the ProcessFlow.

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In this scenario, open the Quick Library to add an Event-Triggered Source.

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Then, next to the Source, click the Sampler.

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In the Model, select Queue1, and in the drop-down, select Queue1: On Entry.

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Next, in Source Properties, add a Label Name for the token, noting that labels are case sensitive.

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Here, the name “item” is used.

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Then, set the Operation to assign.

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Back in the ProcessFlow, add a connector from the Source, and then, in the Quick Library, select Create Task Sequence.

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In the Create Task Sequence Properties, next to Task Executer / Dispatcher, click the Sampler, and then, in the Model, select Operator1.

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In the ProcessFlow, add a Load activity to the Create Task Sequence activity to create an activity block.

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Open the Load Quick Properties to view the default values.

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If you look back at the Create Task Sequence and Source properties, you see that the task sequence and item are already assigned,

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and then it will pick up at the Queue, or Station, which is the Item Container, so you can leave all of the defaults here.

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Next, add an Unload activity to the ProcessFlow.

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In the Quick Properties, leave the default values for the Executer and Item fields,

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and for the Station field, click the Sampler.

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In the Model, select EntryTransfer3 on the Conveyor.

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In the ProcessFlow, add a Finish Task Sequence activity, and then a Sink to complete the sequence.

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Reset and Run the model, and you can see that the Operator takes the items from the Queue and then unloads the items at the Conveyor.

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Now you can create a task sequence to transport a single item using a single operator in your process flow.