---
jsApi: true
title: "[F] $operationId"

---
```ts
$operationId(
   context, 
   entity, 
   opId): void
```

Set a specific operation ID.

## Parameters

| Parameter | Type | Description |
| :------ | :------ | :------ |
| `context` | `DecoratorContext` | Decorator Context |
| `entity` | `Operation` | Decorator target |
| `opId` | `string` | Operation ID. |

## Returns

`void`
