code: public ArrayList<String> contact_contactId_document_POST(String contactId, String documentId) throws IOException {
  		String qPath = "/store/contact/{contactId}/document";
  		StringBuilder sb = path(qPath, contactId);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "documentId", documentId);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, t2);
  	}
docs: Add a document to a contact
  
  REST: POST /store/contact/{contactId}/document
  @param documentId [required] Document id to link
  @param contactId [required] Id of the contact to fetch
  
  API beta