Which Power Automate trigger type is appropriate for a flow that mu…

Question

Which Power Automate trigger type is appropriate for a flow that must run synchronously when a Copilot Studio topic action invokes it and return outputs to the conversation?

Accepted Answer

When an agent calls the flow / instant (manual) trigger pattern designed for agent/flow actions with defined inputs and outputs. — Agent actions need an on-demand instant flow that can take inputs and return outputs mid-conversation — not a yearly timer or a one-way email trigger.

Answer

A recurrence trigger that runs only once a year regardless of user conversations.

Answer

An automated trigger on "when a new email arrives" with no path back to the waiting topic.

Answer

A desktop flow trigger that requires a physical robot arm attached to the server rack.

Which Power Automate trigger type is appropriate for a flow that must run synchronously when a Copilot Studio topic action invokes it and return outputs to the conversation?

Short Explanation and Infographic

Full Explanation