PowerApps Plugins and Workflows Copilot

Create a plugin for Dynamics 365 that implements this functionality.

How do I code a workflow for this scenario?

Plugin example: Create a plugin on creation of Contact. Functionality Plugin creates a task with Regarding as Contact's contactid Subject as Contact's fullname

Custom workflow example: Create a custom workflow on update of Account's name field. Functionality Workflow creates a task with Regarding as Account's accountid Subject as Account's name