--- title: Cross-project library elements description: Library elements are single artifacts or trees of artifacts that you can reuse in multiple projects. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/now-intelligence/performance-analytics/cross-project-artifact-libraries.html release: australia product: Performance Analytics classification: performance-analytics topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Design your indicator solution, Configure fundamentals, Performance Analytics \(Indicator data sources\), Platform Analytics] --- # Cross-project library elements Library elements are single artifacts or trees of artifacts that you can reuse in multiple projects. Each library element has a single root artifact. All child artifacts of that artifact are included in the library element. The following image shows a library element based on the Improve Customer Service Quality critical success factor. The two measurement artifacts that are its children are included automatically in the library element. \[Omitted image "kpi-comp-library-element.png"\] Alt text: KPI Composer project with a library element consisting of a root artifact and its two child artifacts. You can drag a library element into a KPI Tree from the **Library Elements** menu on the Analysis tab of any project. \[Omitted image "kpi-comp-library-elements.png"\] Alt text: Library Elements list. - **[Create a library element](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/now-intelligence/performance-analytics/create-library-element.md)** Convert an artifact and its children in a KPI tree into a KPI Composer cross-project library element. - **[Use a library element](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/now-intelligence/performance-analytics/use-library-element.md)** Add a library element to a KPI tree in any KPI Composer project. - **[Edit or delete a library element](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/now-intelligence/performance-analytics/edit-library-element.md)** You can add artifacts to a library element, or convert a library element back to project-based artifacts. You can also edit the data definitions of artifacts in a library element. **Parent Topic:**[Design your Performance Analytics solution with KPI Composer](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/now-intelligence/performance-analytics/designing-pa-solution.md)