public RuleCondition withStringExpression(RuleStringExpression stringExpression) {
        setStringExpression(stringExpression);
        return this;
    }
<p>
The condition applies to a string expression passed in this field.
</p>

@param stringExpression
       The condition applies to a string expression passed in this field.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mailmanager/src/main/java/com/amazonaws/services/mailmanager/model/RuleCondition.java