@loopback/docs

--- lang: en title: 'API docs: context.injection' keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI sidebar: lb4_sidebar editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/context permalink: /doc/en/lb4/apidocs.context.injection.html ---  [Home](./index.md) > [@loopback/context](./context.md) > [Injection](./context.injection.md) ## Injection interface Descriptor for an injection point **Signature:** ```typescript export interface Injection<ValueType = BoundValue> ``` ## Properties <table><thead><tr><th> Property </th><th> Modifiers </th><th> Type </th><th> Description </th></tr></thead> <tbody><tr><td markdown="1"> [bindingSelector](./context.injection.bindingselector.md) </td><td markdown="1"> </td><td markdown="1"> [BindingSelector](./context.bindingselector.md)<ValueType> </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [member?](./context.injection.member.md) </td><td markdown="1"> </td><td markdown="1"> string </td><td markdown="1"> _(Optional)_ </td></tr> <tr><td markdown="1"> [metadata](./context.injection.metadata.md) </td><td markdown="1"> </td><td markdown="1"> [InjectionMetadata](./context.injectionmetadata.md) </td><td markdown="1"> </td></tr> <tr><td markdown="1"> [methodDescriptorOrParameterIndex?](./context.injection.methoddescriptororparameterindex.md) </td><td markdown="1"> </td><td markdown="1"> TypedPropertyDescriptor<ValueType> \| number </td><td markdown="1"> _(Optional)_ </td></tr> <tr><td markdown="1"> [resolve?](./context.injection.resolve.md) </td><td markdown="1"> </td><td markdown="1"> [ResolverFunction](./context.resolverfunction.md) </td><td markdown="1"> _(Optional)_ </td></tr> <tr><td markdown="1"> [target](./context.injection.target.md) </td><td markdown="1"> </td><td markdown="1"> Object </td><td markdown="1"> </td></tr> </tbody></table>