MyPicklistOptions.cls

global class MyPicklistOptions implements vlocity_ins.VlocityOpenInterface{
    
    public Boolean invokeMethod(String methodName, 
                                Map < String, Object > input, 
                                Map < String, Object > outMap, 
                                Map < String, Object > options) {
                                    
                                    if( methodName.equals('AccountNames') ){
                                        List < Map < String, String >> UIoptions = new List < Map < String, String >> ();
                                        
                                        for(Account acc : [Select id,Name from Account]){
                                            Map < String, String > tempMap = new Map < String, String > ();
                                            tempMap.put('name', acc.Id);
                                            tempMap.put('value', acc.Name);
                                            
                                            UIoptions.add(tempMap);
                                        }
                                          
                                        outMap.put('options', UIoptions);
                                    }
                                    
                                    else if( methodName.equals('ContactNames') ){
                                        List < Map < String, String >> UIoptions = new List < Map < String, String >> ();
                                        
                                        for(Contact con : [Select id,Name from Contact]){
                                            Map < String, String > tempMap = new Map < String, String > ();
                                            tempMap.put('name', con.Id);
                                            tempMap.put('value', con.Name);
                                            
                                            UIoptions.add(tempMap);
                                        }
                                          
                                        outMap.put('options', UIoptions);
                                    }
                                    return true;
        
    }
}