# MFADevice
<a name="API_MFADevice"></a>

Contains information about an MFA device.

This data type is used as a response element in the [ListMFADevices](https://docs.aws.amazon.com/IAM/latest/APIReference/API_ListMFADevices.html) operation.

## Contents
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 ** EnableDate **   
The date when the MFA device was enabled for the user.  
Type: Timestamp  
Required: Yes

 ** SerialNumber **   
The serial number that uniquely identifies the MFA device. For virtual MFA devices, the serial number is the device ARN.  
Type: String  
Length Constraints: Minimum length of 9. Maximum length of 256.  
Pattern: `[\w+=/:,.@-]+`   
Required: Yes

 ** UserName **   
The user with whom the MFA device is associated.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 64.  
Pattern: `[\w+=,.@-]+`   
Required: Yes

## 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/iam-2010-05-08/MFADevice) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iam-2010-05-08/MFADevice) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iam-2010-05-08/MFADevice)