Pre-requisites:
The required role privilege is 'Manage Workflow Rules' on the project where a system task needs to be created.
The steps to create a system task for locking placeholder activities in a project are as follows:
Follow the steps to create a system task for placeholders in a project (steps 1-4).
In the task dropdown, select 'Lock File Activities'.
When you select the 'Lock File Activities' option, the page expands, allowing you to choose placeholder activities that can be locked.
File Distribution - To lock further distribution or sharing of placeholders.
Edit Attribute - To lock editing of placeholder attributes.
Discussions - To lock the discussions on placeholder.
Once done, click the 'Create' button to create a system task.
You can create independent system tasks that can be executed using workflow triggers without adding them to a complex workflow.
All system tasks are executed automatically according to the conditions outlined in the relevant workflow trigger. The related audit history and task assignment details indicate that they were performed by the 'Workflow Agent'.

