To add your Dataset and Conversion API to your event page, please follow the steps below;
If you need further help, please refer to Facebook's Business Help Centre here: https://www.facebook.com/business/help
1. Go to https://business.facebook.com/select and select your business manager account.
2. Select the hamburger (3 horizontal lines on top of each other) in the top left which is labelled All Tools. (Depending on your business manager, it could be either in the top left or bottom left of your screen).
3. Select Events Manager. Next choose the correct pixel under Data Sources.
4. Go to Settings.
5. Copy the Dataset ID.
6. Head to Beta Promotion Centre. Click on your event. Click on Promotion on the left-hand side & select Tracking. Paste the Dataset ID into the relevant section.
7. Still in Settings, now scroll down until you see Generate Access Token. Copy and paste this into beta promotion centre. Please note Facebook will not save this so securely store a copy.
8. Head back to Settings in your Dataset and ensure that the Turn on automatic Advanced Matching Section is toggled on.