Add parameter types
- Before parameters can be defined, parameter types shall be created.
- Right-click the application program and select Add new/ParameterTypeNumber. More information on the other parameter types can be found in Define Parameter Types.

- Type in the Internal Name field 'My Parameter'. This name must be unique within the application program:

Add memory parameters
A memory parameter describes the location of a parameter in the memory.
- Right-click Static in the application program and select Add new/Memory Parameter.

- Select 'My Parameter' in the field Parameter Type.

- Set the default value of the parameter to 50d.

- When creating the parameter, the corresponding ParameterRef will be created, in which you can find the memory parameter you created before.

More information on this topic can be found in Define parameters.