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Parameter | Description | Required |
| referrer | The Digital Turbine Click ID passed in the click event URL. | Yes |
| source | Used to track advertiser tracking platform. Common partners are
Direct Client integrations or Custom Partners should use "DC" | Yes |
| event | Set to "open", "purchase", "registration", "level", "tutorial", "completion", "session", or "search". Digital Turbine can add other values upon request. | Yes |
| eventVar | eventVar is intended to accompany an event in order to add detail to the event. For example,
Events do not require an eventVar and some events may not make sense to pass this value, like open or registration. | No |
appId | Android Package Name or iOS Bundle ID | No |
| timestamp | Unix time stamp of the event | No |
| aaid | Android Advertising ID. More | No |
| idfa | Apple IFA identifier | No |
| openUdid | Raw Open UDID | No |
| userId | Username of a registered user | No |
| deviceIp | IP Address of users device | No |
deviceBrand | Device brand like Apple, Samsung, LG, Motorola | No |
| deviceModel | Device model like iPad, iPhone, Nexus 7 | No |
deviceCarrier | Device carrier name like Verizon, Vodafone, ATT | No |
| countryCode | Two character ISO country code like US, GB, AU | No |
| language | Two character ISO language code like en, es, de | No |
| age | Users age | No |
| birthday | Users date of birth, eg: 1980-01-01 | No |
| gender | Users gender, "M" or "F" | No |
| lat | Users last known latitude | No |
| lon | Users last known longitude | No |
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