This handbook delves into Atlassian's methodology for IT asset and service configuration management, leveraging Jira Service Management. It navigates through fundamental concepts, such as IT asset management (ITAM), emphasizing the tracking and optimization of valuable organizational assets. Readers gain insights into structuring assets within Jira, along with practical strategies for implementation, including automation and integration techniques. With a focus on ITIL 4 principles and real-world examples, it offers a comprehensive guide for both newcomers and seasoned professionals, aiming to enhance IT service management practices and drive business value.