
[[filter-parameters]]
= Parameters
:description: View a list of filter/rule parameters, grouped by component, in OpenNMS {page-component-title}.

This is a partial list of rule parameters, grouped by component.
You can add parameters not available in `database-schema.xml` for use in filter expressions as long as you follow the existing database table hierarchy.

[frame=none, grid=none]
|===
| *Applications*

| name

(Use to alert on user-defined applications that span multiple systems and services.)
|===

[grid=none, frame=none]
|===
|*Assets* | |

| address1

address2

assetnumber

building

category

circuitid

city

comment

department

description

displayCategory

division

floor

| lease

leaseexpires

maintcontract

maintcontractexpires

managedobjectinstance

managedobjecttype

manufacturer

modelnumber

notifyCategory

operatingsystem

pollerCategory

port

rack

| region

room

serialnumber

slot

state

supportphone

thresholdCategory

vendor

vendorassetnumber

vendorfax

vendorphone

zip
|===


[frame=none, grid=none]
|===
| *Distributed pollers/Minions* | |

| dpAdminState

dpComment

dpDiscLimit

| dpIP

dpName

dpNumber

| dpRunState
|===


[frame=none, grid=none]
|===
| *ifServices* | |

| lastGood | lastFail | serviceID
|===


[frame=none, grid=none]
|===
| *IpInterface* | |

| ipAddr

ipLastCapsdPoll

| ipHostname

ipStatus

| isManaged

IsSnmpPrimary
|===


[frame=none, grid=none]
|===
| *Nodes* | |

| dpName

foreignID

foreignSource

location

nodeCreateTime

| nodeID

nodeLabel

nodeParentID

nodeSysContact

nodeSysDescription

|nodeSysLocation

nodeSysOID

nodeSysName

nodeType
|===


[frame=none, grid=none]
|===
| *Server Map*

| serverName
|===


[frame=none, grid=none]
|===
| *Services*

| serviceName
|===


[frame=none, grid=none]
|===
| *Service map*

| serviceMapName
|===


[frame=none, grid=none]
|===
| *SNMP interface* | |

| snmpIfAdminStatus

snmpIfAlias

snmpIfDescr

| snmpIfIndex

snmpIfOperStatus

snmpIfSpeed

| snmpIfType

snmpIpAdEntNetMask

snmpPhysAddr
|===


[frame=none, grid=none]
|===
|*Surveillance categories* | |

| categoryDescription | categoryID | categoryName
|===