Creates .log file(s) storing all transaction data from the Grand Exchange.
The log files are stored in a folder in the runelite directory, default path "C:\Users\[username]\.runelite\exchange-logger".
In the plugin config you have the choice of three different output formats: Plain text, Tabular and Json. You can also choose if you want a file for each day or a single file which gets rewritten every new session.