For implementing an unattended transactional process what pre-build UiPath Template is the best fit?

The Robotic Enterprise Framework is a pre-built template that follows the best practices for implementing an unattended transactional process. It is designed to handle exceptions, application errors, transactions, logging, and reporting. It also uses queues and orchestrator assets to manage the data and configuration of the process. The Robotic Enterprise Framework is suitable for complex and long-running processes that require high reliability and scalability.

References:

Robotic Enterprise Framework

RPA Solution Architect Learning Plans