# hashSchemaInput

# Function: hashSchemaInput()

```ts
function hashSchemaInput(schema): string;
```

Defined in: [packages/ai/src/activities/chat/tools/approval-schema.ts:198](https://github.com/TanStack/ai/blob/main/packages/ai/src/activities/chat/tools/approval-schema.ts#L198)

## Parameters

### schema

[`SchemaInput`](../type-aliases/SchemaInput.md) \| `undefined`

## Returns

`string`