| Name | Description | Type | Use |
|---|---|---|---|
| type |
Identifier type, e.g. "androidid" or "iosid-sha1". NoteThe "auto" setting can be used on the iOS platform only. |
string |
required |
| callback | A callback function with one parameter. It is either the deviceId string or "null" if
the selected device identifier type is not available. |
function |
required |
| username | A username used by the "iosid-sha1" device identifier. | string |
optional |