The default parameter type of IN applies when no parameter type is specified at the beginning of the parameter list. A parameter without a parameter type uses the type most recently specified in the parameter list, or type IN if no type has been specified. The parameter parm1 has a type of IN because no initial parameter type has been specified. Similarly, the parameter parm5 has a type of OUT because it is the most recently specified type in the parameter list. The keyword that specifies a subroutine that can be invoked from the Net.
Data directly interprets.
An alphabetic or numeric string that begins with an alphabetic character or underscore and contains any combination of alphabetic, numeric, underscore, or period characters. Data passes input data to the language environment. IN is the default. OUT Specifies that the language environment returns output data to Net. Data passes input data to the language environment and the language environment returns output data to Net.