code: public ElementDefinitionDt addAlias( String theString) {
  		if (myAlias == null) {
  			myAlias = new java.util.ArrayList<StringDt>();
  		}
  		myAlias.add(new StringDt(theString));
  		return this; 
  	}
docs: Adds a new value for <b>alias</b> ()
  
  <p>
  <b>Definition:</b>
  Identifies additional names by which this element might also be known
  </p>
  
  @return Returns a reference to this object, to allow for simple chaining.