guid: GUID of the file field data field (required)
id The primary key, for multiple primary keys Intrexx serialize format
(%fieldName%= value, %fieldName%= value) (required if primary key not set in parameter form id_...)
guid, fieldGuid, field: GUID of the file field data field (required)
id The primary key, for multiple primary keys Intrexx serialize format
(%fieldName%= value, %fieldName%= value) (required if primary key not set in parameter form id_...),
(The placeholder %fieldName% should be replaced with the field name like LID= value, STRLANG= value)
id_%fieldName% if (multiple) primary key will set by field name.