diff --git a/entity/Document_entity/Document_entity.aod b/entity/Document_entity/Document_entity.aod
index 94fa83392d10f1d9bf1b51085d4c4f8e91069b19..85846c167bc07435eb70e36e70c7a00556f339c6 100644
--- a/entity/Document_entity/Document_entity.aod
+++ b/entity/Document_entity/Document_entity.aod
@@ -53,7 +53,12 @@
       <name>BINDATA_UPLOAD</name>
       <title>Datei</title>
       <contentType>FILE</contentType>
+      <mandatory v="true" />
       <onValueChange>%aditoprj%/entity/Document_entity/entityfields/bindata_upload/onValueChange.js</onValueChange>
+      <onValueChangeTypes>
+        <element>MASK</element>
+        <element>PROCESS</element>
+      </onValueChangeTypes>
     </entityField>
     <entityActionGroup>
       <name>Document_actions</name>