| ArgTypes | Read-only 
 Gets the supplied XPath types for the function's argument list. This information can be used to discover the signature of the function which allows you to differentiate between overloaded functions.
 | 
| Maxargs | Read-only 
 Gets the maximum number of arguments for the function. This enables the user to differentiate between overloaded functions.
 | 
| Minargs | Read-only 
 Gets the minimum number of arguments for the function. This enables the user to differentiate between overloaded functions.
 | 
| ReturnType | Read-only 
 Gets the  XPathResultType representing the XPath type returned by the function.
 |