How to call Future methods from Process Builder

To call Future methods from Process Builder, call the future method from the in-vocable method. Check the below code.

Sample Code:

public class LightningProcessBuilder {
    @InvocableMethod 
    public static void sendEmailToOwner(List<String> listUserNames) {
        callEmailSend(listUserNames);
    }
    @future
    public static void callEmailSend(List<String> listUserNames) {
        //Write the logic.
       //If it is a call out, use callout = true in future annoation
    }
}