# Webhooks

Webhooks are preconfigured to allow the Edge Data Hub to proactively push zone entry and exit events to another system.
 Webhooks can be set up with a secret, which is used to sign the payload, creating a HMAC signature that is included in a header `X-Webhook-Signature`

## Example
_Example `Enter` Event_
```json
{
	"eventId": "event-123",
	"eventType": "asset.enteredZone",
	"enteredAt": "2023-10-27T10:15:00Z",
	"position": {
		"x": 10.5,
		"y": 20.2,
		"z": 5.0,
		"accuracyRadius": 1.2,
		"stationaryConfidence": 95,
		"locatedAt": "2023-10-27T10:15:00Z",
		"beaconMac": "00:1A:2B:3C:4D:5E",
		"networkId": "network-123"
	},
	"zone": {
		"id": "zone-789",
		"externalId": "ext-zone-123",
		"name": "Loading Bay",
		"levelName": "Ground Floor"
	},
	"asset": {
		"id": "asset-123",
		"name": "Pallet 1"
	}
}
```
_Example `Exit` Event_
```json
{
	"eventId": "event-456",
	"eventType": "asset.exitedZone",
	"enteredAt": "2023-10-27T10:30:00Z",
	"exitedAt": "2023-10-27T10:45:00Z",
	"position": {
		"x": 15.0,
		"y": 25.5,
		"z": 6.0,
		"accuracyRadius": 1.5,
		"stationaryConfidence": 80,
		"locatedAt": "2023-10-27T10:45:00Z",
		"beaconMac": "00:1A:2B:3C:4D:5F",
		"networkId": "network-456"
	},
	"zone": {
		"id": "zone-abc",
		"externalId": "ext-zone-456",
		"name": "Storage Area",
		"levelName": "Mezzanine"
	},
	"asset": {
		"id": "asset-456",
		"name": "Pallet 2"
	}
}
```