$type = $session->getArgType( $class, $operation, $argname )
The getArgType() function is an alias for getOpArgType() and getOperationArgumentType(). The sections “getOpArgType” on page 88 and “getOperationArgumentType” on page 88 provide additional information.
The getArgType() function gets the type of the specified argument for the specified class operation. The section “$type, @types” on page 72 describes the possible data types.
$type = $session->getArgType( "Router", "makeFan", "className" );