Error while running mssql.vbs on windows server

HI Sander

thanks for the reply .
i have already tested the document mentioned for Extending an agent is simple

i understand the basic script of
#!/bin/sh
echo “0 myservice - OK: This is my custom output”

but not understood for below , what does the exact use of this ?
metricname=value;warn;crit;min;max
count=73;80;90;0;100