public DynamoDBAction withHashKeyField(String hashKeyField) {
        setHashKeyField(hashKeyField);
        return this;
    }
<p>
The hash key name.
</p>

@param hashKeyField
       The hash key name.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/DynamoDBAction.java