Jmeter: Multiple Jmeter How to parameterize to get different CSV files

How to create different CSV files for different JMeter engine:

1, if you need more than JMeter engine to read different CSV files, you can use a variable to distinguish

${__p (InstanceID)}, the value of InstanceID is starting from 1, corresponding to each jmeter engines

If you use two JMeter engine, you can define two files File1.csv, file2.csv

In the CSV area only the specified file${__p (InstanceID) is required}.csv

So the first JMeter engine starts reading the file1, and the second JMeter engine starts reading File2

Jmeter: Multiple Jmeter How to parameterize to get different CSV files