# createGrpcMethodMetadata

**Kind:** Function

**Source:** [`packages/microservices/decorators/message-pattern.decorator.ts`](https://github.com/nestjs/nest/blob/master/packages/microservices/decorators/message-pattern.decorator.ts#L216)

**Part of:** [Microservices](subsystem-packages-microservices)

## Signature

```ts
function createGrpcMethodMetadata(target: object, key: string | symbol, service: string | undefined, method: string | undefined, streaming)
```

## Parameters

| Name | Type |
|---|---|
| `target` | `object` |
| `key` | `string | symbol` |
| `service` | `string | undefined` |
| `method` | `string | undefined` |
| `streaming` | `any` |