# UserContextDataType
<a name="API_UserContextDataType"></a>

Contextual data, such as the user's device fingerprint, IP address, or location, used for evaluating the risk of an unexpected event by Amazon Cognito threat protection.

This data type is a request parameter of public-client authentication operations like [InitiateAuth](API_InitiateAuth.md) and [RespondToAuthChallenge](API_RespondToAuthChallenge.md).

## Contents
<a name="API_UserContextDataType_Contents"></a>

 ** EncodedData **   <a name="CognitoUserPools-Type-UserContextDataType-EncodedData"></a>
Encoded device-fingerprint details that your app collected with the Amazon Cognito context data collection library. For more information, see [Adding user device and session data to API requests](https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pool-settings-adaptive-authentication.html#user-pool-settings-adaptive-authentication-device-fingerprint).  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 131072.  
Required: No

 ** IpAddress **   <a name="CognitoUserPools-Type-UserContextDataType-IpAddress"></a>
The source IP address of your user's device.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 131072.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/cognito-idp-2016-04-18/UserContextDataType) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cognito-idp-2016-04-18/UserContextDataType) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cognito-idp-2016-04-18/UserContextDataType)