diff --git a/src/files-ui/index.ts b/src/files-ui/index.ts
index ed04b69303497448d9adb23d2ef53945757f26b8..b37d1a73ef7926d7bf5557a6ce2fd981fcd663d0 100644
--- a/src/files-ui/index.ts
+++ b/src/files-ui/index.ts
@@ -31,4 +31,4 @@ export { useFakeProgress } from "./hooks";
 
 export { createListOfMultiTypeFile, uploadFile, uploadFormData, uploadExtFile, ExtFileInstance, ExtFileManager } from "./core";
 
-export type { ExtFile, ExtFileListMap, UPLOADSTATUS, Localization, ServerResponse, UploadResponse, UploadConfig } from "./core";
\ No newline at end of file
+export type { ExtFile, ExtFileListMap, UPLOADSTATUS, Localization, ServerResponse, UploadResponse, UploadConfig, CustomValidateFileResponse } from "./core";
\ No newline at end of file