Make sure you create a TikTok Ads account before.
Navigate to your TikTok Ads account
Click Event > Website Pixel > Manage
Click Create Pixel
Add a pixel name
Select "Manually install pixel code"
Copy the Pixel ID and add it to Switch TikTok App on your store.
When you created the Pixel on the TikTok Ads Manager, you have chosen to install the pixel manually. A code was generated. You need to spot the number sequence like this :
The best way to check if the pixel is correctly firing is by using the TikTok Pixel Helper extension in Chrome.
Open Chrome browser
Install the extension. You can download it here
Visit your store
Open the extension
Make sure that you see the Pixel ID that you entered in settings form
Head to the app in your store admin, and set the debug mode to Info and save the changes.
Open the store in Chrome
Inside the console you will see information printed out the injected pixel.
Disable the debug mode by setting to Off once you are done debugging.