The save_tModel element cannot have "xsi:nil" as an attribute.
The save_tModel element in XML instance can be substituted with other elements.
Other element cannot use save_tModel as substitution group head if
the element's type is derived by using one of the following methods : restriction.
Use of this attribute is optional.
Its form is unqualified.
Show details.
Base type of tModelKey is anyURI. There are several restrictions on the value. The schema processor collapses value's whitespace. The length of the value is less than or equals to 255.