implemented the ability of adding attendees to the default calendar

android/src/main/java/com/vonovak/AddCalendarEventModule.java

@@ -113,6 +113,24 @@ private void presentEventAddingActivity(ReadableMap config) {
                 calendarIntent.putExtra("allDay", config.getBoolean("allDay"));
             }
 
+            if (config.hasKey("attendees")) {
+                String emails = "";
+                ReadableArray attendees = config.getArray("attendees");
+                 for (int i = 0; i < attendees.size(); i++) {
+                    ReadableMap attendee = attendees.getMap(i);
+                    ReadableType type = attendee.getType("email");
+
+                    if (type == ReadableType.String) {
+                        String email = attendee.getString("email");
+
+                        emails += email;
+                        emails += ",";
+                    }
+                }
+
+                calendarIntent.putExtra(Intent.EXTRA_EMAIL, emails);
+
+            }
 
             getReactApplicationContext().startActivityForResult(calendarIntent, ADD_EVENT_REQUEST_CODE, Bundle.EMPTY);
         } catch (Exception e) {

ios/AddCalendarEvent.m

@@ -52,6 +52,7 @@ - (NSDictionary *)constantsToExport
 static NSString *const _notes = @"notes";
 static NSString *const _url = @"url";
 static NSString *const _allDay = @"allDay";
+static NSString *const _attendees = @"attendees";
 
 static NSString *const MODULE_NAME= @"AddCalendarEvent";
 
@@ -264,6 +265,36 @@ - (EKEvent *)createNewEventInstance {
     if (options[_allDay]) {
         event.allDay = [RCTConvert BOOL:options[_allDay]];
     }
+
+    if (options[_attendees]) {
+        NSArray *invitees = [RCTConvert NSArray:options[_attendees]];
+
+        NSMutableArray *attendees = [NSMutableArray new];
+        for (int i = 0; i < [invitees count]; i++) {
+            Class className = NSClassFromString(@"EKAttendee");
+            id attendee = [className new];
+            NSDictionary *invitee = [invitees objectAtIndex:i];
+            NSString *name = [invitee valueForKey:@"name"];
+            NSString *email = [invitee valueForKey:@"email"];
+
+            [attendee setValue:email forKey:@"emailAddress"];
+            if(name && ![name isEqualToString:@"(null)"]) {
+                [attendee setValue:name forKey:@"firstName"];
+            }
+            else {
+                [attendee setValue:email forKey:@"firstName"];
+            }
+
+            [attendees addObject:attendee];
+        }
+
+        [event setValue:attendees forKey:_attendees];
+    }
+
+
+
+
+
     return event;
 }