| onBeforeClear | fires before the user clears the list of files to upload |
| onBeforeFileAdd | fires before the user adds a file to the upload queue |
| onBeforeFileRemove | fires before the user removes a single file from the list of files |
| onBeforeFileUpload | fires before file uploading has started |
| onClear | fires when the user clears the list of files to upload |
| onDrop | fires when the user drops a custom draggable node into the files list |
| onFileAdd | occurs when the user adds a file to the upload queue |
| onFileRemove | fires when the user removes a single file from the list of files |
| onUploadCancel | fires when the user cancels file's uploading |
| onUploadComplete | fires after all files have been uploaded |
| onUploadFail | fires when uploading of the file has failed |
| onUploadFile | fires when a single file from the list was uploaded to the server |