To define or create a custom function:
Procedure
- Select the Functions tab. In the Function tab, the list of
standard functions is displayed. In addition, the Actions pane opens.
- To display the Custom Function dialog
box, choose from one of the following options:
- In the Function Name field of the Custom
Function dialog box, enter a valid JavaScript name for your custom function.
Note: This name must be unique for all custom functions in the
current project. The name of the function is not case sensitive -
the case of a character is not considered. For example the function
name: Aaa is equivalent to the function name: AAA.
- Select a Return Type for your custom
function from one of the following options:
For more information about these datatypes, see Custom Function Parameter and Return Datatypes.
- Define the parameters for your custom function. Repeat
the following steps for each parameter in your custom function:
- Click Add.
- In the Name field of the Parameters table,
enter the name of the parameter and press the Return key.
- Select a Type for the parameter, from one
of the following options:
- For more information about these datatypes, see Custom Function Parameter and Return Datatypes.
- Enter the source code for your custom function by following
these steps:
- Click Next.
- In the white area displayed between the braces enter
the JavaScript code of
your custom function.
- Click Compile. The syntax of
the function will be checked and any errors reported. The location
of the errors are highlighted in red in the source code.
- Fix any syntax errors and once the function compiles
successfully, click OK and then Finish.
The custom function is now available from the Custom
Functions folder of the Functions tab.