Which of the following is NOT a layer in RPA design?

In the context of RPA design, the layers are structured to facilitate the organization and execution of automation processes effectively. The Data Layer is responsible for handling data inputs and outputs, ensuring that the necessary information is processed correctly within the automation framework. The Process Layer encompasses the workflows and tasks that define the automation logic, directing how the RPA bot will operate and interact with various applications. The Object Layer contains the definitions and interactions of individual objects that the bot will manipulate during its operations, such as user interface elements in the applications being automated.

The Message Layer, however, is not recognized as a standard component in the RPA design framework. Messaging typically refers to communication protocols or mechanisms for transferring data between services or applications, which may not be explicitly categorized as a layer in RPA architecture. Therefore, this option does not fit into the established model of layers used in RPA design, highlighting why it is not considered a layer in this context.