Outlook
A family of Microsoft email and calendar products.
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How to enable event triggers for my outlook addin
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Yuxuan Shan
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I am coding for a custom outlook addin that I will be uploading on Microsoft 365 admin center.
which method is better? Smart alerts (OnMessageSend) or OnSend event?
I want it to work for all platforms, windows, mac, web.
When I use OnSend, it is either giving me
- 'The add-in ... is preventing this message from being sent. The callback function is unreachable.'
- or '… couldn’t complete. Please try sending this message later.'
When i use smart alert, I have this error: '... is unavailable and can't process your email at this time'
What is the best way to achieve my goal? (to execute a function when user press send)
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