title: How can i add an custom attribute and assign it to an existing custom object class in sun ds
body: <p>I need to add an attribute to sun ds schema and assign it to an existing custom object class.</p>
  
  <p>I know how to add an attribute but how can i add the attribute to an existing custom object class.</p>
  
  <p>Please help.</p>
  
  <p>Thanks</p>