{
{    Retrieves the names of selected template fields in the specified
{  description record.
{
{       AVP$GET_FIELD_NAMES (DESIRED_FIELD_TYPES, RETURN_DELETED_NAMES,
{             DESCRIPTION_RECORD, FIELD_NAMES, FIELD_COUNT, STATUS)
{
{ DESIRED_FIELD_TYPES: (input) Set of field types that the list of field names
{       should be restricted to.
{
{ RETURN_DELETED_NAMES: (input) Boolean value that specifies whether the request
{       will return a list of the delete fields (TRUE) or active fields (FALSE).
{
{ DESCRIPTION_RECORD: (input) Pointer to the description record.
{
{ FIELD_NAMES: (output) An array to receive the names of the selected fields.
{
{ FIELD_COUNT: (output) Number of fields defined in the specified description
{       record.
{
{ STATUS: (output) Variable in which the completion status is returned.
{       CONDITIONS:
{             ave$name_list_too_small
{
