DHCP scope setup for 3702 APs on Microsoft server

Hello all, thanks for taking a look - I need some help. 
5508s running 7.6
3502s widely deployed, but wanting to start planning for 3702s. 
Here's my dilemna. Option 43 as-is, simply doesn't work, and I'm having trouble figuring out how to add in the right VCI, or custom DHCP options on our Microsoft DHCP servers... 
Can anyone provide me with some screen grabs or PDF instructions to help walk me through this configuration?
Thanks much, 
Jason W.
(Here's a link to the doc that led me to believe I need to go down this road, and that there's just s custom DHCP option missing for my 3702 deployment. This link is outdated though.)
http://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/97066-dhcp-option-43.html

Hi Jason,
There is a very good explanation from Jeff.(52.50 explains option43/60 on Windows DHCP)
https://www.youtube.com/watch?v=pKEiPCLO3Qk&list=PL_mADa_gji1MYUz-C-VGkLLMl56L4x5Mh&index=4
I believe VIC should be Cisco AP c3700.
Hope this helps.
Regards,
Christos.

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