Add account:
Asset Management- Account Auth - Promotion Platform - Add Account - Select "华为应用市场"

You'll need to input the following information.
- Promotion Account ID
- For agencies, please input the 9-digit number starting with 90xxxxxxx
- For developers themselves, please input your HUAWEI account email.
- Promotion Account Name
- Client ID
- Client Secret
- To get client ID and secret, please refer to the guide here.
HUAWEI AppStore Marketing API shall be applied additionally through email:
https://developer.huawei.com/consumer/cn/doc/promotion/bp-functions-marketing_api-apply-0000001385274412
