diff --git a/utils/requests_utils/base_request.py b/utils/requests_utils/base_request.py
index 9de2892..62bdc1e 100644
--- a/utils/requests_utils/base_request.py
+++ b/utils/requests_utils/base_request.py
@@ -88,7 +88,8 @@ class BaseRequest:
             elif request_type.lower() == 'file':
                 if files:
                     file_name = os.path.basename(files)
-                    encoder = MultipartEncoder(fields={"file": (file_name, open(files, "rb"))},
+                    fields = payload or "file"
+                    encoder = MultipartEncoder(fields={fields: (file_name, open(files, "rb"))},
                                                boundary='------------------------' + str(time.time()))
                     headers['Content-Type'] = encoder.content_type
                     response = session.request(method=method, url=url, data=encoder.to_string(), headers=headers,