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# External Forms - Technical
There follows a simple example eForm (ASP.NET i.e. **.ASPX** file extension) which accepts a single parameter **p1** and returns items **field1** and **field2**.
{% code lineNumbers="true" %}
```aspnet
<%@ Page Language="VB" %>
```
{% endcode %}
The returned data can be written to a Databox as normal. Individual items can then be accessed by use of Expressions, e.g.: