@loopback/docs

--- lang: en title: 'API docs: metrics' keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI sidebar: lb4_sidebar editurl: https://github.com/loopbackio/loopback-next/tree/master/extensions/metrics permalink: /doc/en/lb4/apidocs.metrics.html ---  [Home](./index.md) > [@loopback/metrics](./metrics.md) ## metrics package A component that reports metrics of Node.js, the LoopBack framework, and your application to Prometheus. ## Classes <table><thead><tr><th> Class </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [MetricsComponent](./metrics.metricscomponent.md) </td><td markdown="1"> A component providing metrics for Prometheus </td></tr> </tbody></table> ## Interfaces <table><thead><tr><th> Interface </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [MetricsOptions](./metrics.metricsoptions.md) </td><td markdown="1"> Options for metrics component </td></tr> </tbody></table> ## Namespaces <table><thead><tr><th> Namespace </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [MetricsBindings](./metrics.metricsbindings.md) </td><td markdown="1"> Binding keys used by this component. </td></tr> </tbody></table> ## Variables <table><thead><tr><th> Variable </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [DEFAULT\_METRICS\_OPTIONS](./metrics.default_metrics_options.md) </td><td markdown="1"> </td></tr> </tbody></table> ## Type Aliases <table><thead><tr><th> Type Alias </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [MetricsConfig](./metrics.metricsconfig.md) </td><td markdown="1"> Configuration for metrics component with optional properties </td></tr> </tbody></table>