Actions in scripts
From Planfix
There are many operations in scripts that allow you to modify tasks, contacts, or other objects. Most of these operations are named intuitively, so it's fairly obvious what they do.
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This article describes several less obvious aspects and subtleties of using some operations. Modified and Current tasks in operations The Change other task and Change other tasks operations
This section is ever-expanding, so if you have any questions about using operations, write to our Support team. We'll be sure to answer your question and add to this help section.