In reply to Neil.

Geez, clueless seeking in the web I found THIS:

https://developer.cisco.com/media/MSE75docs/docs/index.html

There is it:

https://developer.cisco.com/media/MSE75docs/docs/index.html#notif

Interesting. This API is not mentioned in the official documentation

http://www.cisco.com/en/US/docs/wireless/mse/3350/7.5/MSE_REST_API/Guide/MSE_REST_API_7_5.pdf

Thanks, your comment encouraged me to try again :)

Regards