diff --git a/VDSSample/ViewControllers/CheckBoxGroupViewController.swift b/VDSSample/ViewControllers/CheckBoxGroupViewController.swift
index f1ee18e..bf9dcf0 100644
--- a/VDSSample/ViewControllers/CheckBoxGroupViewController.swift
+++ b/VDSSample/ViewControllers/CheckBoxGroupViewController.swift
@@ -65,13 +65,15 @@ class  CheckboxGroupViewController: BaseViewController<CheckboxGroup> {
         checkbox1.value = "model 1 Value"
         checkbox1.labelText = "iPhone 11 Bundle 1"
         checkbox1.childText = "Apple iPhone 11 - 64 GB\nOtterbox Case Red\nScreen Protector"
-        
+        checkbox1.errorText = "Please Choose 1"
+
         var checkbox2 = CheckboxGroup.CheckboxModel()
         checkbox2.inputId = "model2"
         checkbox2.value = "model 2 Value"
         checkbox2.labelText = "iPhone 11 Bundle 2"
         checkbox2.childText = "Apple iPhone 11 - 128 GB\nOtterbox Case Black\nScreen Protector"
-        
+        checkbox2.errorText = "Please Choose 2"
+
         component.selectorModels = [checkbox1, checkbox2]
         
         component.onChange =  { [weak self] group in