How to add New Assets with Network and snmp compliance in SDP with "Scan Now Options"

How to add New Assets with Network and snmp compliance in SDP with "Scan Now Options"

We have a couple of Components Items to add and "Assets" / inventory in ServiceDesk Plus that we have in OpManager to Monotorize.
We want to put this snmp compliance CI to "Assets" and put Warranty Contracts and Maintenance Contracts too.

How to add new products with SNMP Compliance and SDP discover STAG / ETC..... ??

AND Why i can't "Scan Now" in Access Points and this items ???
Examples: 

                  New to ADSelfService Plus?