I'll try this though. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Thank you. Making statements based on opinion; back them up with references or personal experience. Try DocuSign eSignature for 30 days. The text tabs make sense as you pass through a minimum of two keys in an array to set values: However, check boxes have caught me at a loss because I tried the exact same thing, but with boolean values: When reviewing my document the check boxes were not ticked, irrespective of the value, so I did some digging in the base PHP client library. Yes My pdf have fields. A radio group contains multiple radio buttons and allows the recipient to choose only one of the buttons. I use webService to sent XML request , Not DS Control. Why did OpenSSH create its own key format, and not use PKCS#8? This is a link to the underlying class for a checkboxTab: The problems is with your casing as we've been commenting on. Right now you have: You need to move the