OpManager uses an API function to allow third party applications to extract data from it.
The output I got shows me four alarms which I know were active at the time.
{"Alarm":{"Details":[{"source":"pbflabsbbrutb.dn.srp.gov.10000000001","modTime":"1529677355040","category":"Wireless","status":"2","entity":"IF_UTIL_10000010231","modTimeStr":"22 Jun 2018 07:22:35 AM MST","AckBy":"UnAssigned","displayName":"pbflabbrut2b","message":"Interface 'mdl0-mdl0' util threshold violated.Current IN traffic is 391.004 bps(0.13%) and OUT traffic is 159.768 Kbps(54.72%), whereas configured threshold is 30% .","severity":"Trouble"},
{"source":"10.213.1.1.10000000001","modTime":"1529515099991","category":"Wireless","status":"1","entity":"10.213.1.1.10000000001_Poll","modTimeStr":"20 Jun 2018 10:18:19 AM MST","AckBy":"UnAssigned","displayName":"pbflabsbbrup1","message":"Device Down: No response from device for last 5 polls","severity":"Critical"},
{"source":"pbflabsbbrup1-r2.dn.srp.gov.10000000001","modTime":"1529514836949","category":"Wireless","status":"1","entity":"pbflabsbbrup1-r2.dn.srp.gov.10000000001_Poll","modTimeStr":"20 Jun 2018 10:13:56 AM MST","AckBy":"UnAssigned","displayName":"pbflabsbbrup1-r2","message":"Device Down: No response from device for last 5 polls","severity":"Critical"},
{"source":"pbflabsabrup1-r1.dn.srp.gov.10000000001","modTime":"1529512346040","category":"","status":"3","entity":"pbflabsabrup1-r1.dn.srp.gov.10000000001_MIMOMAX-BRU-P-MIB_mwlLogoutTrap_trap","modTimeStr":"20 Jun 2018 09:32:26 AM MST","AckBy":"UnAssigned","displayName":"pbflabsabrup1-r1","message":": Logout success","severity":"Attention"}],"TotalRecords":4}}