> For the complete documentation index, see [llms.txt](https://docs.mceone.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mceone.io/mce-flash-sale.md). # MCE Flash Sale **MCE Flash Sale** is an innovative tool that allow merchants to drive sales by creating multiple flash sale campaigns with simple steps. Additionally, the app allows you to display campaign information through promotion bar, product labels , and notify customers subcribed to the flash sale campaign through emails. The app comes equipped with four main features: * **Launch multiple flash sales campaigns** with discounts auto-applied. * **Creates a promotion bar** that appears at the top of all pages. * **Creates a label on product images** that displays discount information * **Automatically sends emails** to customers subscribed to discount campaigns