Action Details
Requirements and how-to articles for Facebook's action:

You need this to get it done:

Target Audience
Decide on the audience you want your post to reach (gender, age, location, interests, etc.)
Choose how long you want your ad to run for (you can either set a start and end date, or set it to run continuously.)
Enter a daily budget.
Carousel Images
Ratio: 9:16 to 16:9
File format: Between 2 and 10 images (if not using videos.)
File format: .jpg/.jpeg or .png
Maximum file size: 30MB
Recommended aspect ratio: 1:1
Recommended resolution: At least 1080 x 1080 pixels
Aspect ratio tolerance: 3%
Carousel Videos
Between 2 and 10 videos (if not using images.)
File format: Recommended .mp4 or .mov (but most formats supported)
Maximum file size: 4GB
Maximum video length: 240 minutes
Aspect ratio tolerance: 3%
The link you wish to include in your post (where you would like to send your audience to.)
A short headline to grab the audience's attention and briefly explain what your ad is about (maximum of 25 characters.)
Call to Action
Choose the action you want people to take when they see your ad.
The following calls-to-action are available with Marketplace Image Ads:
Apply Now
Book Now
Contact Us
Learn More
Request Time
See Menu
Shop Now
Sign Up
Watch More
A short description to accompany your image (maximum of 90 characters.)
Choose currency, enter payment details and pay.
Requirements missing or found errors? Report

How-To Articles
A list of useful links for you:

Facebook Ads Help Centre - Create ads for Marketplace
Official guide for creating Marketplace ads.
Facebook Ads Help Centre - About ads in Marketplace
Official information about Marketplace ads.
Link missing here or found errors? Improve How-Tos