It is not possible to specify subtables for generators embedded in the blog, but the source data for this generator is available in the GitHub repository. You can copy and paste the .json file contents into the Generator Service text box and start experimenting with the generator. Subtables can be specified in the
If you are already using Campaign Logger, open one of your campaign logs, click the cogwheel-shaped Options button, select Manage Custom Generators, then Add new generator… and paste the generator data in the text box. After you save the generator, click the Show Generators button in your campaign log to access the new generator.