Getting Logger Name into Excel file with NLog

Question

Thanks to Rolf\'s comment in this question: NLog in C# with severity AND categories

I am able to record to a text file the category of log message (such as \"Thermal\" o

Answer 1

What is the field in GetLogger called?

You're looking for ${logger} - see ${logger} docs

More generally, how do I know all the options I can put in the CSV layout?

You could use all layout renderers, see the list with all layout renderers

For options for the CSV formating, see CsvLayout docs