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
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4. Click on Channel manager rates
5. Click on the rate you want under Channel Manager ID
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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
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