title: Sent a value from a tJava component to a tMap
body: <p>I want to retrieve the value of a tJava component in a tMap component.</p>
  
  <p>I made my program, and returns a row.ma_value</p>
  
  <p>I create my schema as built-in.</p>
  
  <p>I try to connect it to my tMap component but it doesn't give me any connection.</p>
  
  <p><a href="https://i.stack.imgur.com/ixhpw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ixhpw.png" alt="enter image description here"></a></p>