Before generating a code for your video, make sure ad authorization is turned on at your account level.
Step 1: Enable Ad Settings (One-time setup)
Go to your Profile and tap the Three Lines (☰) in the top right corner.
Tap Creator Tools.
Scroll down and toggle ON Ad Settings.
Step 2: Get Your Video Code
Go to the video you posted for us and tap the Three Dots (•••) on the right side.
Scroll through the bottom options and tap Ad Settings.
Check the box agreeing to the terms, and toggle ON Ad Authorization.
Choose 365 days for the authorization period, then tap Generate Code.
Tap Copy Code and paste it below: