This operator can be used to translate a key-value/json object to a tuple.
Names are JSON-Path Exceptions
If names contains special chars like ".", "*", etc. the chars will be replaced by "_".
To define own names you ['Path','Name','Type'] in the schema.
schema:The list of requested attributes (keys) and their data type
type:The type of the output tuple
keepInput:If set to true, the key-value is stored in the additional content container of the output tuple.
dateFormat:Can be used to format the timestamp. To create a timestamp an attribute of data type STARTTIMESTAMP or ENDTIMESTAMP has to be added to schema.