Connected Field Service, introduced in the Fall 2016 release of Dynamics 365, combines monitoring with the Internet of Things (IoT) to replace costly break-fix service model with a more proactive "never fail" model.
It's designed with time-saving features that boost productivity, and with monitoring in Connected Field Service, it's easier to know "if customers' equipment is running smoothly—and when it isn't." And, when an equipment fails, the service notifies you right away, so you can troubleshoot the problem often before the customer even knows there is a problem by fixing it remotely, or on site.
With Connected Field Service, right from the Field Service app or from the mobile app, you can register customer assets with Azure IoT hub.
Also, managing devices by categorizing them is far easier —for example by device type, supported commands, or breakdown frequency. And, the live heartbeat of registered devices using Power BI can also be viewed.
There is also a IoT dashboard that shows alerts by customer, device, asset, and what action what taken in response to an alert.
See 'Use Connected Field Service to remotely monitor and service customer equipment (field service)' to learn more on how to install and get started with Connected Field Service, here. Or, visit the User's Guide page for more information on Dynamics 365 for Field Service here.
Additionally, you can also refere this Dynamics 365 for Field Service – User's Guide. Or, Get the latest info and links for eBooks, videos, onboarding information, how to contact support, and much more on the Help and Training site.
Developers can also find information in the MSDN: Connected Field Service Developer Guide.