http://spinrdf.org/spl#Argument
Class spl:Argument

Argument {?predicate} : {?valueType}

spin:Ask template

Provides metadata about an argument of a SPIN Function or Template. Arguments wrap a given rdf:Property (predicate) and specify its value type and whether the argument is optional. When used as spin:constraing, the body of this template will verify that a non-optional value exists and that it has the specified value type.

Argument

spin:Ask templates