System
General
- Disable Out of Stock Products This option will remove out of stock products from store front which means no modules nor Opencart pages will display them
Filter
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Filter Url Values Separator This option defines which separator to be used in urls generated by Filter module
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Filter Attribute Values Separator This option allows to split existing attributes by a character specified, allowing to use multiple attribute values for an attribute (Opencart does not have this option by default)
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Filter Check Options Quantity This option removes out of stock options for products, for example, if a product having option Size S out of stock, that option won't be displayed in filter module
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Filter Price Tax Class This option allows you to choose which tax class to apply to Price Filter