System objects

In AskiaScript, a system object is a useful object auto-generated by Askia during data collection. System objects provide information about the context of the interview. The system object is in the global scope, which means you can use it anywhere in your survey.

This kind of object may be:

Stateless: when we stop and restart an interview, the object is reset or changed (e.g. AgentName, Now, Browser...)
State-full: when we stop and restart an interview, the object keeps the same state (e.g. StartInterview, IntvwId, Password ...)

Examples:

```
AgentName
```
```
IntvwId
```
```
Now
```
```
Interview ' Since AskiaScript 2.0
```
```
Browser     ' Since AskiaScript 2.0
```

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