Operation Parameters
In the Properties dialog box of an operation, the Parameters tab allows you to specify:
• The operation ExpressionType, eg. Integer(5).
• Its defaultValue, eg. 0.
• Its Direction: at input and/or output of the operation.
To create a new parameter:
Right click in the window and select
New.
A parameter is the specification of a variable, which can be modified, sent or returned. A parameter can specify a name, a type and a direction. Parameters are used for operations, messages and events.
An argument is a specific value corresponding to a parameter.