To search for class-wise store discount listings in the Store Module, you can follow these steps:

1. Navigate to the Store Module and click on "Discount" under the "Master" section.
2. Select the desired Class for which you want to search the discount listings.
3. Click on the "Search" button.

By following these steps, you can view the store discount listings specific to the selected class. This feature allows you to conveniently search and manage discounts offered for different classes in your store.