Pre-requisites:
- You'll need a website for your business.
- You must be able to update your website's code.
STEP 1: Create a Facebook pixel / Datasets
- Go to your Pixels or Datasets tab in Events Manager.
- Click Create a Pixel or Dataset.
- Click Create in the box that appears to finish creating your pixel.
STEP 2: Link Pixel / Dataset to Ad Account
- Go to Business Settings (Pixel / Dataset).
- Select the Pixel / Dataset you created in the above step.
- Now click on Assign Ad account.
- Select the Ad Account with which you want to link the pixel.
STEP 3: Give Pixel Access to another Business Manager
- Go to Business Settings(Pixel / Dataset).
- Select Assign Partner.
- Select Role- Manage events Dataset / Pixel
- Enter business ID- 854051238018483
- Click on confirm.
Reference :