Create restrict-user-based-on-child-record.md
diff --git a/erpnext/docs/user/manual/de/customize-erpnext/custom-scripts/custom-script-examples/restrict-user-based-on-child-record.md b/erpnext/docs/user/manual/de/customize-erpnext/custom-scripts/custom-script-examples/restrict-user-based-on-child-record.md
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+++ b/erpnext/docs/user/manual/de/customize-erpnext/custom-scripts/custom-script-examples/restrict-user-based-on-child-record.md
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+## 15.3.1.7 Benutzer auf Grundlage eines Unterdatensatzes einschränken
+
+    // restrict certain warehouse to Material Manager
+    cur_frm.cscript.custom_validate = function(doc) {
+        if(user_roles.indexOf("Material Manager")==-1) {
+
+            var restricted_in_source = wn.model.get("Stock Entry Detail",
+                {parent:cur_frm.doc.name, s_warehouse:"Restricted"});
+
+            var restricted_in_target = wn.model.get("Stock Entry Detail",
+                {parent:cur_frm.doc.name, t_warehouse:"Restricted"})
+
+            if(restricted_in_source.length || restricted_in_target.length) {
+                msgprint("Only Material Manager can make entry in Restricted Warehouse");
+                validated = false;
+            }
+        }
+    }
+
+{next}