diff --git a/Client-Side Components/Catalog Client Script/Email & Phone Format/README.md b/Client-Side Components/Catalog Client Script/Email & Phone Format/README.md
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+++ b/Client-Side Components/Catalog Client Script/Email & Phone Format/README.md	
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+# Contribution 3
+
+My contribution is checking wheather email id format & mobile number format are correct or not during Catalog item Form Submission. Expected Email id Format - "abc12@gmail.com" & Expected Phone number Format - "123 -567 -6789"
+If Format match system will allow to submit the Form or else restrict submission of the form.
diff --git a/Client-Side Components/Catalog Client Script/Email & Phone Format/emailPhone.js b/Client-Side Components/Catalog Client Script/Email & Phone Format/emailPhone.js
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+++ b/Client-Side Components/Catalog Client Script/Email & Phone Format/emailPhone.js	
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+//onSubmit catalog client script Form restriction
+function onSubmit(){
+var phone = g_form.getValue('preffered_phone');
+var mail = g_form.getValue('email_details');
+var phnPattern = /^\d{3}-\d{3}-\d{4}/; 
+var mailPattern = /^[a-zA-Z0-9._%+1]+@(gmail\.com)$/;
+
+if( phone && !phone.match(phnPattern))
+{
+
+alert("Phone number format is not correct");
+return false;
+}
+else if(mail && !mail.match(mailPattern))
+  {
+alert("Email format is not correct");
+return false;
+  }
+else
+{
+  return true;
+}
+
+}