# IpamCidrAuthorizationContext
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A signed document that proves that you are authorized to bring the specified IP address range to Amazon using BYOIP.

## Contents
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 ** Message **   
The plain-text authorization message for the prefix and account.  
Type: String  
Required: No

 ** Signature **   
The signed authorization message for the prefix and account.  
Type: String  
Required: No

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/ec2-2016-11-15/IpamCidrAuthorizationContext) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/ec2-2016-11-15/IpamCidrAuthorizationContext) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/ec2-2016-11-15/IpamCidrAuthorizationContext)