The following command edits the 2.2.2.2 map settings in the addedfqdn.com FQDN by changing the checker to icmp:

Note: Provide the IP address and the FQDN name that is belongs to.
curl -k "https://bal:1fourall@20.200.25.100/access/modmap?fqdn=addedfqdn.com&ip=2.2.2.2&checker=icmp"

Response: 

<?xml version="1.0" encoding="ISO-8859-1"?>
<Response stat="200" code="ok">
<Success><Data><fqdn><Status>Up</Status>
<FullyQualifiedDomainName>addedfqdn.com.</FullyQualifiedDomainName>
<SelectionCriteria>rr</SelectionCriteria>
<FailTime>0</FailTime>
<SiteRecoveryMode>auto</SiteRecoveryMode>
<Mapping>2</Mapping>
<failover>N</failover>
<Map><Status>Up</Status>
<Index>2</Index>

<IPAddress>2.2.2.2</IPAddress>

<Checker>icmp</Checker>

<CheckerPort>0</CheckerPort>
<Weight>1000</Weight>
<Enable>Y</Enable>
<LocationLatitude>0.00000000</LocationLatitude>
<LocationLongitude>0.00000000</LocationLongitude>
</Map></fqdn></Data>
</Success>
</Response>