rename function

rename() will update the replace existing key names with new ones based on the provided configuration. It currently only works for top level fields (i.e. address.street would not work).

configuration

rename({"field_map": {"test":"renamed"}})

example

message in

{
    "_id": 0,
    "name": "transporter",
    "type": "function",
    "count": 10
}

config

rename({"field_map": {"count":"total"}})

message out

{
    "_id": 0,
    "name": "transporter",
    "type": "function",
    "total": 10
}