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# bulk_sync.running

Fires when a Bulk Sync execution starts running.

## Payload fields

| Field | Type | Always present | Description |
| --- | --- | --- | --- |
| `sync_name` | string | Yes | Name of the Bulk Sync |
| `organization_id` | string (UUID) | Yes | Organization ID |
| `sync_id` | string (UUID) | Yes | Bulk Sync ID |
| `execution_id` | string (UUID) | Yes | Execution ID |
| `source_connection_id` | string (UUID) | Yes | Source connection ID |
| `destination_connection_id` | string (UUID) | Yes | Destination connection ID |

## Example

This example shows a webhook delivery, with the fields above in `event`. See the
[events overview](/guides/events/overview) for the delivery format.

```json
{
  "id": "b422c019-38c9-50ef-82e0-51ce935613cd",
  "created_at": "2024-01-01T02:00:00Z",
  "type": "bulk_sync.running",
  "event": {
    "sync_name": "Asana to BigQuery",
    "organization_id": "be80a27e-0e80-4dcb-bee9-1666f02eeb83",
    "sync_id": "dcc891b3-4a25-4b8b-bba8-48104cd66525",
    "execution_id": "8114c8cc-99fc-4fb4-ab72-28308762fa63",
    "source_connection_id": "ad56197c-1bca-4256-a410-fb1ffde295c0",
    "destination_connection_id": "318dba62-d875-11ed-b59b-ea7534cffcab"
  }
}
```