Hey @mandy1193
As @tswisdom mentioned using the standard CSV import does not actually allow this. However, you can write a script using our Enhanced Script Netscan which does allow for you to assign different collectors.
This doc here talks about that overall process using that netscan:
https://www.logicmonitor.com/support/enhanced-script-netscan
With this section providing the formatting example of how the output should be to allow for the assignment of properties and collectors:
https://www.logicmonitor.com/support/enhanced-script-netscan#h-script-formatting-example
In that script you can pull the data from your CSV, it would just need to be accessible from the collector which the script runs on.
As always, if you run into any issues, I would suggest you open a support ticket and your LogicMonitor support team can definitely assist. We can’t write the script for you, but we can help guide you on your path!