# IngressIpv4Expression
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The union type representing the allowed types for the left hand side of an IP condition.

## Contents
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 ** Evaluate **   <a name="sesmailmanager-Type-IngressIpv4Expression-Evaluate"></a>
The left hand side argument of an IP condition expression.  
Type: [IngressIpToEvaluate](API_IngressIpToEvaluate.md) object  
 **Note: **This object is a Union. Only one member of this object can be specified or returned.  
Required: Yes

 ** Operator **   <a name="sesmailmanager-Type-IngressIpv4Expression-Operator"></a>
The matching operator for an IP condition expression.  
Type: String  
Valid Values: `CIDR_MATCHES | NOT_CIDR_MATCHES`   
Required: Yes

 ** Values **   <a name="sesmailmanager-Type-IngressIpv4Expression-Values"></a>
The right hand side argument of an IP condition expression.  
Type: Array of strings  
Pattern: `((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/([0-9]|[12][0-9]|3[0-2])`   
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/mailmanager-2023-10-17/IngressIpv4Expression) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/mailmanager-2023-10-17/IngressIpv4Expression) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/mailmanager-2023-10-17/IngressIpv4Expression)