Using Properties and Variables - rajendrapenumalli/Jmeter GitHub Wiki
${__P(<variable name>,<default value>)}
jmeter -n -t PerformanceTest.jmx -J<variable name>=<value>
References:
${__P(<variable name>,<default value>)}
jmeter -n -t PerformanceTest.jmx -J<variable name>=<value>
References: