This document is a technical report detailing the implementation and functionality of the Rialto library acquisition tool at NUI Galway. The report outlines how NUI Galway joined the Rialto Early Adopter program in 2019, collaborating with Rialto's product team to provide feedback and ideas for development. It describes the transition to Rialto during the COVID-19 lockdown in July 2020, highlighting the ease of training staff and the successful transfer of direct ordering to the platform by September 2020. The report explains that Rialto serves as a comprehensive selection and acquisition tool, assisting over 500 libraries in managing their collections more efficiently. It emphasizes the tool's capability to search, select, and order from multiple publishers within a single marketplace, thereby simplifying workflows. Additionally, the report mentions Rialto's expansion to support informed fulfillment through analytics and AI, as well as its evolving features for collection analysis workflows.