We can add all the ad-on extensions that can be installed after the mobile api base extension installation successful. This extension is used to show the filter options and price filter on the products list screen.
Let's look to setup the configuration
First go to the Extension module of the Navigation panel. There you can Upload and Install the OptionFilter.ocmod.zip under the folder path of code & extensions / adons via the Extension/Installer menu
Once installed then go to the Extensions > Modifications menu. There click the refresh button at the top
Next go to Extension> Extension menu. Select "Modules" from the drop-down list. There you will find the “Filter Options” Extension name. Click the green button to install and enable the banner product in the Edit option.
That's all! your extension is installed successfully. Hope it’s a piece of cake to do
Now let’s look how to add Filter Options
Go to the Catalog > options.
There you can select Add new or choose the default option that previously created for you
Option Name: Give a name to your options
Type: Choose the type of how should option type will work.
Sort Order: The given number determines the sequence of the product in the ascending order menu. Example. 1, the sorting sequence 2, 3, and so on.
Add your wish list of option value name, image, sort order and hit to save it.
Then, Go to the Catalog > products.
There you can select Add new or Edit existing products
Select the fifth option page of products
Add your wish list of options to the product with quantity count.
Subtract stock: If you select "Yes" option will subtract stock from the quantity of the product (Ex: If there are 100 computers, and a customer buys 2 computers, Subtract Stock will change the quantity to 98).
Price: Choose the plus or minus button to given value add or less in basic price product.
Weight: Choose the plus or minus button to given weight add or less in basic price product.
Additional options: Press "( + ) Add option" to additional options of the product and given sort order number determines the sequence of the product options. Click "( - ) Remove" to remove the options from the product
Finally, added products will be shown on your app home screen