There are currently 4 types of 'BAR' that are offered by Master Marketer application in "Deals & Offers Bar" sub-application. Please find those below:
1. Free Shipping Bar
Required Action: Before you let your customer know about free shipping, you need to set up free shipping manually (if not set already).
Steps for setting up free shipping rates:
From your Shopify admin, go to Settings > Shipping.
In the Zones and rates section, click Edit next to the shipping zone that you want to add the rate to.
Click Add rate in the Price based rates section.
In the dialog, enter a descriptive name for the shipping or delivery option in the Name field.
In the Range section, enter the minimum and maximum order prices for the rate.
In the Rate section, Check the Free shipping rate checkbox.
Click Save at the bottom of the shipping zone page.
2. Email Subscription Bar
Required Action: Before you ask your customers to subscribe in return of a discount, you need to set up discount code(s) manually (if not set already).
Steps for creating discount codes:
From your Shopify admin, go to Discounts.
From the Discounts page, click Create discount.
In the Discount code section, enter a name for the new discount code (for example, 15offnecklaces). To generate a random discount code, click Generate code.
In the Options section, select the discount type that you want to create.
Use the calendar in the Active dates section to set the start date for the discount. If you want to set an end date for the discount, then click Set end date and use the calendar to choose when the discount will end.
Click Save discount.
3. Simple Announcement Bar
Required Action: If your main focus is on emphasizing a link and get your visitors to click through a specific URL, you can add the URL by following these simple steps:
Go to Bar Design:
Under Configuration > Scroll down to Link
Insert the URL which you want the user to redirect to.
You may also display multiple messages in a slideshow format. You just need to click on the checkbox: “Want to show multiple announcements?”
4. Countdown Timer Bar
Required Action: It's compulsory to schedule "Count-down bar" with "Start Date and End Date" along with the "Time".