diff --git a/p-process.yml b/p-process.yml
index 651f7e65..49e93375 100644
--- a/p-process.yml
+++ b/p-process.yml
@@ -177,6 +177,11 @@ components:
           description: "Free-form object to be included in response. Must be object, not list or simple value.
           Do not affect document processing. Use it freely to pass your app params. Stored in process logs."
           additionalProperties: true
+        ImageUrls:
+          type: array
+          description: "URLs to the document images for processing."
+          items:
+            type: string
       required:
         - processParam