These variables give you information about where your code is currently running from.
You can access these variables from your PHP code using syntax of the form:
cms_core::$variableName
Where noted, you can also syntax of the form:
zenario.variableName
to access some of these variables from your JavaScript code.
When the CMS is running in admin mode, this holds the id of the administrator who is currently logged in.
This contains the latest version of a content item - i.e. the version that an administrator would see.
The alias (or friendly name) of the current content item.
The id of the current content item.
The type of the current content item, e.g. document
, html
, picture
...