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Serilog–Sub loggers

One of the lesser known features inside Serilog is the support for sub loggers. This allows you to redirect (part of) the log traffic to different sinks based on certain conditions.

To create and use a sub logger you have to use the WriteTo.Logger() method. On this method you can create a whole new logger element with its own enrichers, filters and sinks:

In this example all log data with a warning level(including coming from Microsoft) is written to warning.txt and all Microsoft related data is logged to microsoft.txt.

More information here: https://nblumhardt.com/2016/07/serilog-2-write-to-logger/

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