Which of the following best represents the output actions of an Integration Procedure?

The best representation of the output actions of an Integration Procedure is that it can perform both reading and writing data. Integration Procedures are designed to facilitate seamless interactions between Salesforce and external systems. They are versatile in that they can initiate requests to external services to retrieve data, which is the reading aspect. Additionally, they can write data back into Salesforce from these external responses or from other sources, which details the writing aspect.

This dual capability is crucial for automating complex business processes, enabling data synchronization, and ensuring data quality across platforms. By leveraging both reading and writing functionalities, Integration Procedures help streamline workflows and enhance the overall effectiveness of data management within the Salesforce ecosystem.