you don't need any special command for SAA to generate trap for SNMP, once you have SNMP configured, SNMP will then collect the statistics from SAA and generate the traps. If you want SAA-generated traps sent to a network management host, configure the.
http://www.cisco.com/en/US/tech/tk869/tk769/technologies_white_paper09186a00801b1a1e.shtml
Cisco IOS software in every SAA-enabled router using the following command:
# snmp-server host address string [rtr]
Where:
address is the IP address of the network management host.
string is the read community string for access to SNMP in the network management host.
rtr limits the traps sent to address to SAA-related traps. If you omit this value, no
traps are sent to the named network management host. Sending traps is optional-not
required to use IPM.