Google Drive API 403 PERMISSION_DENIED from Deluge custom function - OAuth connection not recognised
Hi all, I've built a custom Deluge function to route Zoho CRM Account attachments into specific Google Drive subfolders based on filename prefix. The CRM API steps all work correctly, however our first Google Drive API call (listing subfolders via drive/v3/files) is returning a 403 PERMISSION_DENIED - "Method doesn't allow unregistered callers" - despite the connection showing as Connected in Zoho.
Full context, connection config, error logs, and the relevant Deluge code are detailed in the post link pasted below. Any help would be greatly appreciated!
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Function #46: Auto-Calculate Sales Margin on a Quote
Welcome back everyone! Last week's function was about displaying the discount amount in words. This week, it's going to be about automatically calculating the sales margin for a particular quote, sales order or an invoice. Business scenario Where there is sales, there's also evaluation and competition between sales reps. A healthy rivalry helps to better motivate your employees to do smart work and close deals faster and more efficiently. But how does a sales rep get evaluated? 90% of the time, it'sZoho CRM Functions 53: Automatically name your Deals during lead conversion.
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Scenario: Automatically send the Quote to the related contact. We create Quotes for customers regularly and when we want to send the quote to the customer, we have to send it manually. We can automate this, using Custom Functions. Based on a criteria, you can trigger a workflow rule and the custom function associated to the rule and automatically send the quote to customer through an email. Please note that the quote will be sent as an inline email content and not as a PDF attachment. Please followFunction #50: Schedule Calls to records
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