# Broadcast

**Usage**: `client.platform.document.broadcast(documents, identity)`  
**Description**: This method will broadcast the document on the Application Chain

Parameters:

| Parameters            | Type                | Required | Description                                                                                                 |
| --------------------- | ------------------- | -------- | ----------------------------------------------------------------------------------------------------------- |
| **documents**         | Object              | yes      |                                                                                                             |
| **documents.create**  | ExtendedDocument\[] | no       | array of valid [created document](../documents/create.md) to create  |
| **documents.replace** | ExtendedDocument\[] | no       | array of valid [created document](../documents/create.md) to replace |
| **documents.delete**  | ExtendedDocument\[] | no       | array of valid [created document](../documents/create.md) to delete  |
| **identity**          | Identity            | yes      | A valid [registered identity](../identities/register.md)             |

**Example**:

```js
const identityId = '';// Your identity identifier
const identity = await client.platform.identities.get(identityId);

const helloWorldDocument = await client.platform.documents.create(
    // Assuming a contract tutorialContract is registered with a field note
    'tutorialContract.note',
    identity,
    { message: 'Hello World'},
);

await client.platform.documents.broadcast({ create: [helloWorldDocument] }, identity);
```

Returns: documents.