1. Double click on the particle system whose name you wish to change. You can also single click the particle system and then press "return"
2. A text editing field will appear and allow you to change the name of the Particle System
3. The name you provide here will be the name used for the exported particle system.
4. Particle Designer allows duplicates so caution is required to make sure that two systems do not have the same name and are exported together.
5. Your settings are saved in your project.
6. Press the gear button again to hide the particle system settings