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

# OutputCustomToolCallItemType - TypeScript SDK

> OutputCustomToolCallItemType type definition

<Warning>
  The TypeScript SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/typescript-sdk/issues).
</Warning>

## Example Usage

```typescript lines theme={null}
import { OutputCustomToolCallItemType } from "@openrouter/sdk/models";

let value: OutputCustomToolCallItemType = "custom_tool_call";
```

## Values

```typescript lines theme={null}
"custom_tool_call"
```