How do you make sourdough bread in a Bread machine without adding yeast?

To make sourdough bread in a bread machine without adding yeast, you'll need to use a sourdough starter that has been properly fed and is bubbly. Combine the starter with flour, water, and salt in the bread machine, following a recipe that adjusts for the machine’s capacity. Select the appropriate sourdough or artisan bread setting, and let the machine handle the mixing, rising, and baking. Ensure to monitor the dough consistency, as it may require slight adjustments in hydration based on your starter's moisture content.