The profile block of an extract action: a map of output field name -> how to locate that field. null disables a field. This is the per-broker config the native layer sends; the field keys are a contract with that config.
profile
extract
null
Optional
The
profileblock of anextractaction: a map of output field name -> how to locate that field.nulldisables a field. This is the per-broker config the native layer sends; the field keys are a contract with that config.