Pass multiple, strongly typed parameters from Process Builder to Apex #2

ProcessHandlerShowOpps.cls

public class ProcessHandlerShowOpps {
    public class OpportunityParameter{
        @InvocableVariable(required=true)
        public Id oppId;
        @InvocableVariable(required=true)
        public String name;
        @InvocableVariable(required=true)
        public Decimal amount;
        @InvocableVariable(required=true)
        public Date closeDate;
    }
    @InvocableMethod(label='showOpps' description='Reconstitue the Opportunities being passed from Flow')
    public static void showOpps(OpportunityParameter[] opportunityParameters) {
        Opportunity[] opps = new Opportunity[]{};
        for(OpportunityParameter opp : opportunityParameters) opps.add(new Opportunity(Id=opp.oppId,Name=opp.name,Amount=opp.amount,CloseDate=opp.closeDate));
        system.debug('****** opps: '+opps);
    }
}