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# AWS::SES::MailManagerRuleSet RuleBooleanExpression
<a name="aws-properties-ses-mailmanagerruleset-rulebooleanexpression"></a>

A boolean expression to be used in a rule condition.

## Syntax
<a name="aws-properties-ses-mailmanagerruleset-rulebooleanexpression-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-ses-mailmanagerruleset-rulebooleanexpression-syntax.json"></a>

```
{
  "[Evaluate](#cfn-ses-mailmanagerruleset-rulebooleanexpression-evaluate)" : RuleBooleanToEvaluate,
  "[Operator](#cfn-ses-mailmanagerruleset-rulebooleanexpression-operator)" : String
}
```

### YAML
<a name="aws-properties-ses-mailmanagerruleset-rulebooleanexpression-syntax.yaml"></a>

```
  [Evaluate](#cfn-ses-mailmanagerruleset-rulebooleanexpression-evaluate): 
    RuleBooleanToEvaluate
  [Operator](#cfn-ses-mailmanagerruleset-rulebooleanexpression-operator): String
```

## Properties
<a name="aws-properties-ses-mailmanagerruleset-rulebooleanexpression-properties"></a>

`Evaluate`  <a name="cfn-ses-mailmanagerruleset-rulebooleanexpression-evaluate"></a>
The operand on which to perform a boolean condition operation.  
*Required*: Yes  
*Type*: [RuleBooleanToEvaluate](aws-properties-ses-mailmanagerruleset-rulebooleantoevaluate.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Operator`  <a name="cfn-ses-mailmanagerruleset-rulebooleanexpression-operator"></a>
The matching operator for a boolean condition expression.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `IS_TRUE | IS_FALSE`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)