LoggerJSON.Formatter.format_event

You're seeing just the callback format_event, go back to LoggerJSON.Formatter module for more information.

format_event( level, msg, ts, md, state, formatter_state )

Specs

format_event(
  level :: Logger.level(),
  msg :: Logger.message(),
  ts :: Logger.Formatter.time(),
  md :: [atom()] | :all,
  state :: map(),
  formatter_state :: map()
) :: map() | iodata() | %Jason.Fragment{encode: term()}

Format event callback.

Returned map will be encoded to JSON.