Example DDI+SQDX XML Document

<?xml version="1.0" encoding="UTF-8"?>
<ddi:DDIInstance id="x0" version="0.0.1" agency="com.kidstrythisathome.legostormtroopr"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:instance:3_1 instance.xsd sqdx:StructuredQuestionnaireDesignExtensions:0.0.b sqd_expressions.xsd"
      xmlns:xhtml="http://www.w3.org/1999/xhtml"
      xmlns:d="ddi:datacollection:3_1"
      xmlns:ddi="ddi:instance:3_1"
      xmlns:g="ddi:group:3_1"
      xmlns:r="ddi:reusable:3_1"
      xmlns:sqdx="sqdx:StructuredQuestionnaireDesignExtensions:0.0.b">
    <g:ResourcePackage id="">
        <g:Purpose id="">
            <r:Content/>
        </g:Purpose>
        <d:ControlConstructScheme id="">
            <d:QuestionConstruct id="AcidTest_QC_1" version="0.0.1">
                <d:QuestionReference>
                    <r:Scheme>
                        <r:ID>qsAcidTest</r:ID>
                        <r:IdentifyingAgency>com.kidstrythisathome.legostormtroopr</r:IdentifyingAgency>
                        <r:Version>0.0.1</r:Version>
                    </r:Scheme>
                    <r:ID>AcidTest_Q_1</r:ID>
                    <r:IdentifyingAgency>com.kidstrythisathome.legostormtroopr</r:IdentifyingAgency>
                    <r:Version>0.0.1</r:Version>
                </d:QuestionReference>
            </d:QuestionConstruct>
            <sqdx:CaseSwitch id="CS_1">
                <sqdx:SwitchExpression>
                    <r:Code/>
                </sqdx:SwitchExpression>
                <sqdx:Case>
                    <sqdx:SwitchValue>
                        <r:Code/>
                    </sqdx:SwitchValue>
                    <sqdx:CaseConstructReference>
                        <r:URN/>
                    </sqdx:CaseConstructReference>
                </sqdx:Case>
            </sqdx:CaseSwitch>
            <sqdx:Foo id="Bar"/>
        </d:ControlConstructScheme>
        <d:QuestionScheme id="qsAcidTest" version="0.0.1" agency="com.kidstrythisathome.legostormtroopr">
            <d:QuestionItem id="AcidTest_Q_1" version="0.0.1">
                <d:QuestionText>
                    <d:LiteralText>
                        <d:Text>You told me your dog likes to play fetch, what does </d:Text>
                    </d:LiteralText>
                    <sqdx:ExtendedConditionalText>
                        <d:Expression>
                            <r:Code programmingLanguage="Pseudocode">if sex == 'Male' {return 'he'} else if sex == 'Female' {return 'she'} else {return 'they'}</r:Code>
                        </d:Expression>
                        <sqdx:Default>...</sqdx:Default>
                        <sqdx:Static>he/she</sqdx:Static>
                    </sqdx:ExtendedConditionalText>
                </d:QuestionText>
                <d:TextDomain/>
            </d:QuestionItem>
        </d:QuestionScheme>
    </g:ResourcePackage>
</ddi:DDIInstance>