Set_Get current store view Retrieve hierarchical tree of categories. Retrieve hierarchical tree of categories. Retrieve hierarchical tree of categories. Create new category and return its id. Update category Move category in tree Delete category Retrieve list of assigned products Assign product to category Update assigned product Remove product assignment from category Set/Get current store view Retrieve category attributes Retrieve attribute options Set/Get current store view Retrieve products list by filters Retrieve product Create new product and return product id Update product Update product special price Get product special price data Delete product Set/Get current store view Retrieve attribute list Retrieve attribute options Add new custom option into product Update product custom option Get list of available custom option types Retrieve list of product custom options Get full information about custom option in product Remove custom option Retrieve custom option values list Add new custom option values Retrieve custom option value info Update custom option value Remove value from custom option Create product attribute set based on another set Remove product attribute set Retrieve product attribute sets Add attribute into attribute set Remove attribute from attribute set Create group within existing attribute set Rename existing group Remove group from attribute set Retrieve product types Retrieve product tier prices Update product tier prices Set/Get current store view Retrieve product image list Retrieve product image data Retrieve product image types Upload new product image Update product image Remove product image Retrieve linked products Assign product link Update product link Remove product link Retrieve product link types Retrieve product link type attributes Create new attribute Delete attribute