AWS Secrets Manager is a service for managing, retrieving, and rotating credentials and secrets throughout their lifecycles.The new AWS Secrets Manager Cost Allocation Tags feature allows for better visibility and control over costs.Cost allocation tags can be used to categorize and track costs by assigning key-value pairs to AWS resources.The process involves creating, attaching, activating tags, filtering them in Cost Explorer, and creating cost categories.By using cost allocation tags, users can break down Secrets Manager costs by various dimensions for improved cost allocation.The feature enables itemized usage tracking in Cost Explorer and cost and usage reports.Steps include creating user-defined tags, assigning them to secrets, and activating them in the AWS Billing console.AWS CLI can also be used to create and activate tags for cost allocation purposes.After activation, users can view usage and charges by tags in Cost Explorer for detailed insights.The feature allows for better cost allocation across departments and organizations, enhancing cost visibility and management.