If the custom agent monitor does the basic as well as detail monitoring, then detail monitoring code must be conditional. This avoids scheduling of detail monitoring if not required. VCSAG_GET_MONITOR_LEVEL API can be used to check if detail monitoring needs to be scheduled.

VCSAG_GET_MONITOR_LEVEL API fetches and sets the values of the LevelTwoMonitorFreq attribute.

#!/bin/sh
# CustomAgent Monitor script
. $VCS_HOME/bin/ag_i18n_inc.sh
RESNAME=$1
VCSAG_SET_ENVS $RESNAME

STATE=${VCS_RES_ONLINE};

# Fetch the value of detail (Level-2) monitoring.
# VCSAG_GET_MONITOR_LEVEL will store this values in 
# VCSAG_MONITOR_LEVEL_TWO environment.
VCSAG_GET_MONITOR_LEVEL();

# Logic for custom agent basic monitoring.
# Based on logic set STATE to OFFLINE or ONLINE


# if basic monitoring of the resource state that resource is ONLINE,
# check if detail monitoring (Level-2) need to be performed.
if [ ${STATE} -eq ${VCS_RES_ONLINE} ]; then 

	if [ ${VCSAG_MONITOR_LEVEL_TWO} -ne 0 ]; then
		# Logic for custom agent detail monitoring.
		# Based on logic return OFFLINE or ONLINE

		# If resource is found as OFFLINE
		STATE = ${VCS_RES_OFFLINE};

		# If resource is found as ONLINE
		STATE = ${VCS_RES_ONLINE};
	fi
fi

exit $(STATE);