ensure that the name of the readonly property is populated correctly

index.d.ts

@@ -176,6 +176,7 @@ declare class Parameter {
 
 declare interface ValidateOptions {
   readonly includeErrors?: string[]
+  readonly isResponse?: boolean
 }
 
 type Operation = {

lib/validation/custom-zschema-validators.js

@@ -207,7 +207,7 @@ function readOnlyValidator (report, schema, json) {
   }
 
   var isResponse = this.validateOptions && this.validateOptions.isResponse;
-  
+
   if (!isResponse && schema && schema.readOnly && json !== undefined) {
     let errorMessage = 'ReadOnly property `"{0}": ';
     
@@ -216,11 +216,22 @@ function readOnlyValidator (report, schema, json) {
     } else {
       errorMessage += '{1}';
     }
+    let propertyName = '';
+    if (schema.title && typeof schema.title === 'string') {
+      try {
+        var result = JSON.parse(schema.title);
+        if (result.path && Array.isArray(result.path) && result.path.length) {
+          propertyName = result.path[result.path.length - 1];
+        }
+      } catch (err) {
+        // do nothing
+      }
+    }
     errorMessage += '`, cannot be sent in the request.';
     report.addCustomError(
       'READONLY_PROPERTY_NOT_ALLOWED_IN_REQUEST',
       errorMessage,
-      [report.parentReport.path[0], json],
+      [propertyName, json],
       null,
       schema
     );