title: React native send a message to specific whatsapp Number
body: <p>I'm trying to send a text message to a WhatsApp contact from a react-native apps , i found that i can do it through Linking </p>
  
  <pre><code>Linking.openURL('whatsapp://send?text=hello');
  </code></pre>
  
  <p>the code above opens only whats app , i need to open a chat with a specific number is there a paramter i have to send like text ?!  </p>