If you need to find the Channel Manager ID for new rates, just follow the steps below:
1. Go to the Mews page and sign in
2. Open the Marketplace from the menu on the top-left of your page
3. Click on My subscriptions, find the Katanox integration for your property, and click on Edit
4. Click on Channel manager rates
5. Click on the rate you want under Channel Manager ID
6. The Channel manager ID is the one shown on the page and now you only need to copy it to add a new rate
