How to set product quantity in stock based to product color?
Our products have different colors: white, black, read, blue, green, yellow.
How about we set all colors first, and set a product quantity based on colors. if a color is blank, front page will not display this color.
the best advantage of this function is we can know which color is sold out. the current x-cart only set all colors' quantiy in one, very difficult for us to grasp more detailed information.
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