<?xml version="1.0"?>
<query>
    <userid><<id>></userid> <!-- required-->
    <userkey><<key>></userkey> <!-- required-->
    <action>[Action]</action> <!-- required-->
    <format>
        <!-- Format fields -->
        <output>iphone_stream</output>
        <bitrates>[CommaSeparatedList]</bitrates> 
        <segment_duration>[Duration]</segment_duration>
        <pack_files>[yes|no]</pack_files>
        <add_audio_only>[yes|no]</add_audio_only>
        <still_image>[no|each_segment|first_segment]</still_image>
        <still_image_time>[Time]</still_image_time>
        <still_image_size>[Size]</still_image_size>
        <!-- Destination fields -->
        <destination>[DestFile]</destination> <!-- optional -->
        <!-- ... -->
    </format>
</query>

{
    "query": {
        "userid": "<<id>>",
        "userkey": "<<key>>",
        "action": "[Action]",
        "format": {
            "output": "iphone_stream",
            "bitrates": "[CommaSeparatedList]",
            "segment_duration": "[Duration]",
            "pack_files": "[yes|no]",
            "add_audio_only": "[yes|no]",
            "still_image": "[no|each_segment|first_segment]",
            "still_image_time": "[Time]",
            "still_image_size": "[Size]",
            "destination": "[DestFile]"
        }
    }
}