Add/edit function parameter dialog
The Add/Edit Event Variable dialog allows you to change the details of a function parameter. Since function parameters work similarly to local variables, the dialog is also similar to the Add/edit event variable dialog.
The dialog has the following fields.
- The name identifies the function parameter. This is typed in to expressions to retrieve the value of the parameter. Some names cannot be used, like the names of system expressions, since they would conflict when entering an expression. The name is also displayed when calling the function.
- The type specifies what kind of value the parameter holds. This can be Number, String (text), or Boolean (an on/off value, displayed as a checkbox). The type of a parameter does not change - you can't pass text for a number variable and vice versa.
- Initial value
- The initial number for a Number parameter, the initial text for a Text parameter, or a checkbox for a Boolean variable to specify if it is initially true (checked) or false (unchecked). Note that unlike expressions, the initial text entered here does not need double quotes around it. In other words, Hello is a valid entry, and if you enter "Hello" (as you would in an expression) the initial string will include the double quotes. The default parameter value is pre-filled when calling the function, or used if the function ends up being called with missing parameters.
- Description Optional
- An optional comment you can use to briefly describe what the parameter is used for. It is displayed in the editor when calling the function to help remind you what to use the variable for.
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This manual entry was last updated on 29 Apr, 2019 at 16:41