Create restrict-purpose-of-stock-entry.md
diff --git a/erpnext/docs/user/manual/de/customize-erpnext/custom-scripts/custom-script-examples/restrict-purpose-of-stock-entry.md b/erpnext/docs/user/manual/de/customize-erpnext/custom-scripts/custom-script-examples/restrict-purpose-of-stock-entry.md
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+## 15.3.1.6 Anliegen der Lagerbuchung einschränken
+
+    frappe.ui.form.on("Material Request", "validate", function(frm) {
+        if(user=="user1@example.com" && frm.doc.purpose!="Material Receipt") {
+            msgprint("You are only allowed Material Receipt");
+            throw "Not allowed";
+        }
+    }
+
+{next}