Kafka CMT transform examples

gistfile1.txt

- multiple transforms as a csv list
        "transforms": "fieldRenames,recordTimeStamp,constantExample",

- whitelist on field names is case sensitive and needs to match transformed names
  this is a list of fields allowed in the output (not the input fields if they are transformed or renamed)
        "fields.whitelist": "EXAMPLE,EVENT_TIMESTAMP,EXAMPLE_STRING",

- transforms on field names are case sensitive

        "transforms.fieldRenames.type": "org.apache.kafka.connect.transforms.ReplaceField$Value",
        "transforms.fieldRenames.renames": "EXPL:EXAMPLE" // from : to
        
 - inserting timestamp from record as a new field
 
        "transforms.recordTimeStamp.type": "org.apache.kafka.connect.transforms.InsertField$Value",
        "transforms.recordTimeStamp.timestamp.field": "EVENT_TIMESTAMP",
        
- inserting a constant strimg
        "transforms.constantExample.type": "org.apache.kafka.connect.transforms.InsertField$Value",
        "transforms.constantExample.static.field": "EXAMPLE_STRING",
        "transforms.constantExample.static.value": "Example value"