> ## Documentation Index
> Fetch the complete documentation index at: https://darkgrade.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Operation

> PTP Operation type definitions

# Operation

## DataDirection

**Type:** `"none" | "in" | "out"`

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## OperationDefinition

### Properties

| Property                | Type                                                                                                             | Required |
| ----------------------- | ---------------------------------------------------------------------------------------------------------------- | -------- |
| **code**                | `number`                                                                                                         | ✓        |
| **name**                | `string`                                                                                                         | ✓        |
| **description**         | `string`                                                                                                         | ✓        |
| **dataDirection**       | `DataDirection`                                                                                                  | ✓        |
| **dataCodec**           | `CodecDefinition<T>`                                                                                       |          |
| **operationParameters** | `[ParameterDefinition?, ParameterDefinition?, ParameterDefinition?, ParameterDefinition?, ParameterDefinition?]` | ✓        |
| **responseParameters**  | `[ParameterDefinition?, ParameterDefinition?, ParameterDefinition?, ParameterDefinition?, ParameterDefinition?]` | ✓        |

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## OperationCode

**Type:** `number`

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