example.hta

'Example 1 - dropdown
'OSD environment objects - referenced in the task sequence to name the computer
<SCRIPT LANGUAGE="VBScript">
  SET env = CreateObject("Microsoft.SMS.TSEnvironment") 
  env("APC") = drop_APC.value

  <tr>
    <td align="right">Airport Code:</td>
    <td><select size="1" name="drop_apc">
      <option value="ATL">Atlanta, GA (ATL)</option>
    </td>
  </tr>
</SCRIPT> 
'In the task sequence, the value for this variable would be %APC% - when selected, the value for the selected drop down "Atlanta, GA (ATL)" would equal "ATL" in the task sequence.

'Example 2 - custom text box
<SCRIPT LANGUAGE="VBScript">
  SET env = CreateObject("Microsoft.SMS.TSEnvironment") 
'OSD environment objects - referenced in the task sequence to name the computer
		env("FF") = freeform.value
    
    <tr>
      <td align="right">Username/Purpose (Freeform):</td>
      <td><input id=freeform type=text maxlength=6></input></td>
    </tr>
 </SCRIPT>   
'In the task sequence, the value for this variable would be %FF%