Walmarts Store Locator Is It Legal When You Shop At Walmarts The Person On Way Out Of The Store Stop You To See What You Bought?

Is it legal when you shop at Walmarts the person on way out of the store stop you to see what you bought? - walmarts store locator

I'm in Canada and I think constututes illegal search and seizure and acting only can.Surely hold a police officer have adequate security measures and anti-theft devices in place of crime, without asking how people leave prrof Shop For all your receipt of purchase and sale