Discovery is a powerful tool designed to identify devices and applications within a network and update the Configuration Management Database (CMDB) with this information. To use Discovery effectively for identifying Configuration Items (CIs) and managing them through the CMDB Dashboard, there are several resources available. The ServiceNow Discovery Overview provides a detailed understanding of how Discovery works and its role in CMDB management. The Populate and Maintain Your CMDB with ServiceNow Discovery Success Playbook offers step-by-step guidance for setting up Discovery to ensure your CMDB remains accurate and up-to-date. Additionally, articles on configuring the CMDB Health Dashboard show how to monitor the CMDB's integrity and include specific classes for better visibility. For practical implementation, video tutorials like How To - Populate Your CMDB with ServiceNow Discovery demonstrate the steps to configure and use the tool effectively