ExpressionManagerStart

Usage
This event is done when ExpressionScript create his own function. It allow to create own Expressioon Manager function.

Input
None

Possible output

 * functions : array of new function for expression manager
 * packages : array of javascript package to be registered just after the expression manager javascript.

Function definition
Function is defined by an array with
 * PHP function, can use complete Class name
 * Javascript function: null for a static function (no javascript update)
 * Basic description for administration GUI
 * Usage for administration GUI
 * Help url
 * Number of argument, -1 mean any number of arguments.

Example

 * demoAddEmFunction
 * statFunctions