Which three action types can be used to create an agent action manually?

The selection of Flow, Apex, and Prompt Template as the correct action types for creating an agent action manually reflects the capabilities of Salesforce in automating and customizing agent interactions.

Flow allows users to create applications and automate business processes without needing code, providing a visual way to define the steps involved in an action. This makes it an essential tool for creating dynamic, user-driven actions tailored to meet specific needs.

Apex is Salesforce's programming language that enables deeper customization and logic in applications. By utilizing Apex in agent actions, developers can integrate complex business logic and operations directly into the platform, enhancing the capabilities beyond what can be achieved with standard functionalities.

Prompt Template serves as a way to create structured responses and interactions based on pre-defined templates. This is particularly useful in environments where agents need to deliver consistent messaging or responses. By incorporating Prompt Template within agent actions, businesses can improve the efficiency and effectiveness of their customer interactions.

Each of these components plays a vital role in enhancing the functionality and performance of agent actions, making this combination suitable for various operational needs within Salesforce.