# customer-device

###### Contains the device-token

➡ Request Parameter

## `<customer-device>`

| Type | Condition |
|  --- | --- |
| customerDeviceType | Mandatory for:- `PAYMENT_QUERY`- `PAYMENT_REQUEST`N/A for:- all other cases |


## Learn more

[Device Fingerprinting](/docs/developer/device_fingerprinting/device_fingerprinting)