Ability to assign "current user" to an assignee attribute


Rather than simply assign specific people to an assignee attribute, it would be good to be able to select the “current user”. One use case:

With automations, one capability I’d like to do is when a label changes, to assign the task to the current user. So, if you drag a task from “To Do”, to “Doing” - you will get added as an Assignee.