> 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/set-up-a-flash-sale-campaign.md).

# Set up a flash sale campaign

If you're running a sale promotion , it's important to let your customers know. With the Promotion bar feature, you can create a vivid banner  stays on top of every page on your website that highlights incoming & ongoing sales campaign.

To create a Promotion bar, you need to follow these steps:

<mark style="color:purple;">**Step 1: Enable the Promotion Bar feature**</mark>