Once we delivered the revenue data to your Facebook Ads Manager (if not check the integration doc here), you can dive into your results for each campaign.
Customize columns to see purchase metrics. Click Columns → Customize Columns
Select the Purchase metrics:
Check your ROAS and make right decisions on you advertising campaigns
Look at your revenue in the Revenue section in your Facebook Analytics.
With real revenue conversion events, you can create a high-performance value-based audience.
A Lookalike Audience is a way to reach new people who are likely to be interested in your product. If you optimize your ad campaigns with your revenue events Facebook will target a similar audience who close to making the same action e.g. pay for your product. Read more about Lookalike Audience.
Go to your Audiences:
Click the Create Audience dropdown and choose Lookalike Audience:
Choose your App, the Purchase or Subscription event:
Select Audience location (you can choose All countries if you do not have enough events in a specific one):
Select Audience Size from 1% to 10%. Then less audience size you choose than more effective your ad campaigns will be performed. Make sure you have enough audience. If not increase the audience size.
After your lookalike audience is ready you can go your Ads manager and create new campaigns with Purchase Lookalike Optimization.