public Put withConditionExpression(String conditionExpression) {
        setConditionExpression(conditionExpression);
        return this;
    }
<p>
A condition that must be satisfied in order for a conditional update to succeed.
</p>

@param conditionExpression
       A condition that must be satisfied in order for a conditional update to succeed.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/model/Put.java