Sleeknote assigns you a Customer ID - In addition, an ID for each note is also generated.
At the Sleeknote Dashboard click Tracking Code.
Copy the ID as shown in the image above (Use only the digits, in this case, 2571)
- Select your Flipbook
- Go to Settings > Integration > Sleeknote
- Paste or enter the ID into the Sleeknote Customer ID field