diff --git a/Client-Side Components/Catalog Client Script/Email & PhNo Validation/README.md b/Client-Side Components/Catalog Client Script/Email & PhNo Validation/README.md
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+This script validates the email and phone number fields entered by the user in a ServiceNow catalog item form. 
+It ensures that the email follows a valid format and the phone number is numeric with exactly 10 digits.
+
+
+**Email Requirements:**
+Must contain “@” and a valid domain (e.g., example.com).
+No spaces or invalid characters allowed.
+
+**Phone Number Requirements:**
+Must contain exactly 10 digits.
+Only numeric values allowed (no letters or special characters).
diff --git a/Client-Side Components/Catalog Client Script/Email & PhNo Validation/script.js b/Client-Side Components/Catalog Client Script/Email & PhNo Validation/script.js
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+function onSubmit() {
+    // Get the field values
+    var email = g_form.getValue('email');       
+    var phone = g_form.getValue('phone_number'); 
+
+    // Define validation patterns
+    var emailPattern = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+    var phonePattern = /^\d{10}$/;
+
+    // Validate email format
+    if (!emailPattern.test(email)) {
+        g_form.showFieldMsg('email', 'Please enter a valid email address (e.g., user@example.com).', 'error');
+        return false; // Prevent form submission
+    }
+
+    // Validate phone number
+    if (!phonePattern.test(phone)) {
+        g_form.showFieldMsg('phone_number', 'Phone number must be exactly 10 digits and contain only numbers.', 'error');
+        return false; // Prevent form submission
+    }
+
+    return true; // Allow form submission if all validations pass
+}