Basic Alert Help for Interface Down (Management IP of device not returned)

I am using Basic Alert for Interface down (monitoring Interface Status) to send an email out with host name, ip address and interface information in the subject field:

Subject: Interface ${Caption} on ${NodeName} is ${Status}. (this works)

What I want:

Subject: Interface ${Caption} on ${NodeName} with IP address ${IP_Address} is ${Status}. (this returns "${IP_Address}" in the subject line)

I am unable to report the management IP address of the device with failed Interface (the managment IP address used to poll this device). I tried using ${IP_Address} but it doesn't work, any help? It should be pretty simple but I am new to Orion/Solarwinds.

Thanks.