> ## Documentation Index
> Fetch the complete documentation index at: https://wb-21fd5541-docs-1778-mysql-updates.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# init

> TypeScript SDK reference

# init

▸ **init**(`project`, `settings?`): `Promise`\<[`WeaveClient`](../classes/WeaveClient)>

Initialize the Weave client, which is required for weave tracing to work.

#### Parameters

| Name        | Type       | Description                                                                                                                                                                                                                                                                                                                                                                             |
| :---------- | :--------- | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `project`   | `string`   | The W\&B project name (can be project or entity/project). If you don't specify a W\&B team (e.g., 'team/project'), your default entity is used. To find or update your default entity, refer to User Settings at [https://docs.wandb.ai/guides/models/app/settings-page/user-settings/#default-team](https://docs.wandb.ai/guides/models/app/settings-page/user-settings/#default-team) |
| `settings?` | `Settings` | (Optional) Weave tracing settings                                                                                                                                                                                                                                                                                                                                                       |

#### Returns

`Promise`\<[`WeaveClient`](../classes/WeaveClient)>

A promise that resolves to the initialized Weave client.

`Throws`

If the initialization fails

#### Defined in

[clientApi.ts:83](https://github.com/wandb/weave/blob/5d9590d2658eeb69c9c9f04342e107bf9a0a4c90/sdks/node/src/clientApi.ts#L83)

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