code: public boolean isContactDisplay()
      {
          String strUserContactType = this.getProperty(DBParams.CONTACT_TYPE);
          String strUserContactID = this.getProperty(DBParams.CONTACT_ID);
          
          String strContactType = ((ReferenceField)this.getScreenRecord().getField(MessageLogScreenRecord.CONTACT_TYPE_ID)).getReference().getField(ContactType.CODE).toString();
          String strContactID = this.getScreenRecord().getField(MessageLogScreenRecord.CONTACT_ID).toString();
          
          if ((strUserContactID != null) && (strUserContactID.equals(strContactID)))
              if ((strUserContactType != null) && (strUserContactType.equals(strContactType)))
                  return true;
          return false;
      }
docs: IsContactDisplay Method.