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Turnstile workflow activity

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Turnstile workflow activity

The Turnstile activity limits how many times a workflow can pass through the same point.

Use this activity to prevent infinite loops. This activity is useful alongside the Rollback To workflow activity activity.


You can assign a result value using the activity.result variable from within a script field of the activity. By default, the activity script evaluates if the activity should continue to iterate or stop.

Table 1. Turnstile activity results
Result Description
Continue The Allowed iterations value is greater than the number of times the workflow accessed this activity.
Cancel The workflow accessed this activity more times than the Allowed iterations value.

Input variables

Input variables determine the initial behavior of the activity.

Table 2. Turnstile activity input variables
Field Description
Allowed iterations Number of times the workflow can pass through this activity before the turnstile ends the loop.


The conditions determine which transition comes after this activity.

Table 3. Turnstile activity conditions
Field Description
Continue If the workflow has returned to this point an amount of times less than the allowed iteration.
Cancel If the workflow has returned to this point an amount of times more than the allowed iteration.


The activity state tells the workflow engine what to do with the activity.

Table 4. Turnstile activity states
State Description
Executing The workflow engine knows to start the onExecute function of the activity.
Waiting The workflow engine ignores the activity until a specific event to restart the activity is triggered.
Finished The activity finished running. See the result value for the outcome of the activity.
Cancelled This activity, or the workflow that contains this activity, was canceled.
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