I couldn’t find this feature in Product Feedback to be voted on, but found historical consensus and use cases in Rule to update assignee based on a custom people field? The topic was closed, so I could not contribute there.
We have appreciated every new dynamic ability within rules. This one remains unavailable. Clicking the + while setting an assignee in a rule only provides these options:
even when there are People fields active in the project.
I imagine that a current barrier is that People fields can have multiple people in them. I’ve opened a separate product feedback to vote on (Allow further customization of People fields) to provide a path for this feature in the interim while Asana considers the product feedback Assign multiple assignees on one task, which has over 2,300 votes at the moment.
I believe this feature (dynamically set Assignee from People field), coupled with Allow further customization of People fields, might actually fulfill the need some people are pointing to in the request for multiple assignees. People with various roles in the flow could be indicated in single-select People fields and rules could cause the Assignee to change to a person named in a People field at different stages in the flow, clearly passing off work as stages are completed, but leaning dynamically on custom people fields instead of relying on lots of if/then scenarios and criteria to be built out in rules.