The Require Variable(s) Node declares which Variables the Task will use or reference. If a Variable does not exist at runtime it will be created with a NULL value.
The following dialog is presented after dragging a Require Variable node into your Task:
The three buttons beneath the list perform the following functions:
- New variable
- Delete (selected) variable
- Sort Variables
When creating a new Variable you will be asked for the Variable name and scope.
Load from XML
The allows you to load a list of Variables from a previously exported Presence Context using the Write Context to XML node.