diff --git a/dropzone/dropzone.d.ts b/dropzone/dropzone.d.ts
index 0c754fbd5e..5dca7e1694 100644
--- a/dropzone/dropzone.d.ts
+++ b/dropzone/dropzone.d.ts
@@ -73,7 +73,21 @@ declare class Dropzone {
     getQueuedFiles(): DropzoneFile[];
     getUploadingFiles(): DropzoneFile[];
     
-    emit(eventName: string, file: DropzoneFile, data?: string);
+    emit(eventName: string, file: DropzoneFile, str?: string);
+    emit(eventName: "thumbnail", file: DropzoneFile, path: string);
+    emit(eventName: "addedfile", file: DropzoneFile);
+    emit(eventName: "removedfile", file: DropzoneFile);
+    emit(eventName: "processing", file: DropzoneFile);
+    emit(eventName: "canceled", file: DropzoneFile);
+    emit(eventName: "complete", file: DropzoneFile);
+
+    emit(eventName: string, e: Event);
+    emit(eventName: "drop", e: Event);
+    emit(eventName: "dragstart", e: Event);
+    emit(eventName: "dragend", e: Event);
+    emit(eventName: "dragenter", e: Event);
+    emit(eventName: "dragover", e: Event);
+    emit(eventName: "dragleave", e: Event);
 }
 
 interface JQuery {