Tools: Huawei mate40pro, HarmonyOS OS3.0, Tik Tok 13.0. 15.
1. On Tik Tok's homepage interface, click the plus sign icon at the bottom to enter a new page.
2. After switching to a new page, press and hold the red button at the bottom to shoot.
3. After shooting, click Next on the bottom right of the page, and then click Add Group Purchase.
4. After switching to the interface of adding group purchases, click Add to enter the next new page.
5. In the new page, click the input box, enter any text, click Finish, and then click Next in the upper right corner to finish.