The hostname of the server that executed the command.
port
The port of the server that executed the command.
commandName
The command name.
databaseName
The database name.
duration
The duration of the command in microseconds. The duration is a
calculated value that includes the time to send the message and
receive the response from the server.
reply
The reply document returned by the server.
operationId
The operation ID. This may be used to link events together such as
bulk writes, which may dispatch multiple commands.