================================
LOWER_HYPHEN to LOWER_UNDERSCORE
================================

This example will convert the field names of a schema from upper underscore to lower underscore.



.. code-block:: json
    :caption: Configuration

    {
      "transforms" : "changeTopicCase",
      "transforms.changeTopicCase.type" : "com.github.jcustenborder.kafka.connect.transform.common.ChangeTopicCase",
      "transforms.changeTopicCase.from" : "LOWER_HYPHEN",
      "transforms.changeTopicCase.to" : "LOWER_UNDERSCORE"
    }

.. code-block:: json
    :caption: Input
    

    {
      "topic" : "topic-name",
      "kafkaPartition" : 1,
      "timestampType" : "NO_TIMESTAMP_TYPE",
      "offset" : 12345,
      "headers" : [ ]
    }

Change(s) in the output are emphasized if delta(s) are detected.

.. code-block:: json
    :caption: Output
    :emphasize-lines: 2

    {
      "topic" : "topic_name",
      "kafkaPartition" : 1,
      "timestampType" : "NO_TIMESTAMP_TYPE",
      "offset" : 12345,
      "headers" : [ ]
    }