Broadcom Support does not recommend to use an external dependency that depends on a task within the same workflow, as shown in the screenshot below: the task which has an external dependency, will need to be manually skipped.
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Products: Automic Automation Engine v10, v11,v12
Operating System: All
Please use one of the option below:
Option 1: Use a Pre-Condition on the first task of the workflow as shown below. The task that is expected or required must be executed outside the workflow.
<Please see attached file for image>
Option 2: Use an external dependency of a task outside the workflow.