Product and SKU Property Parameters

Methods for handling property parameters for products and SKUs:

Method	Description
catalog.productPropertyFeature.add	Adds parameter for product or SKU property.
catalog.productPropertyFeature.get	Gets product or SKU parameter value by ID.
catalog.productPropertyFeature.getAvailableFeaturesByProperty	Gets available parameters for product or SKU properties.
catalog.productPropertyFeature.getFields	Returns fields for product or SKU property parameter.
catalog.productPropertyFeature.update	Updates parameter for product or SKU parameter.