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loopbackio/loopback-next

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--- lang: en title: 'API docs: core.lifecycleobserverregistry.sortobserverbindingsbygroup' keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI sidebar: lb4_sidebar editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/core permalink: /doc/en/lb4/apidocs.core.lifecycleobserverregistry.sortobserverbindingsbygroup.html --- <!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) &gt; [@loopback/core](./core.md) &gt; [LifeCycleObserverRegistry](./core.lifecycleobserverregistry.md) &gt; [sortObserverBindingsByGroup](./core.lifecycleobserverregistry.sortobserverbindingsbygroup.md) ## LifeCycleObserverRegistry.sortObserverBindingsByGroup() method Sort the life cycle observer bindings so that we can start/stop them in the right order. By default, we can start other observers before servers and stop them in the reverse order **Signature:** ```typescript protected sortObserverBindingsByGroup(bindings: Readonly<Binding<LifeCycleObserver>>[]): LifeCycleObserverGroup[]; ``` ## Parameters <table><thead><tr><th> Parameter </th><th> Type </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> bindings </td><td markdown="1"> Readonly&lt;[Binding](./context.binding.md)<!-- -->&lt;[LifeCycleObserver](./core.lifecycleobserver.md)<!-- -->&gt;&gt;\[\] </td><td markdown="1"> Life cycle observer bindings </td></tr> </tbody></table> **Returns:** [LifeCycleObserverGroup](./core.lifecycleobservergroup.md)<!-- -->\[\]