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Code Block
xml
xml
<ww: property value="#session.mySessionPropKey"/> or
<ww: property value="#session['mySessionPropKey']"/> or
<ww: property value="#attr.mySessionPropKey"/>

Collections (Maps, Lists, Sets)

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Code Block
xml
xml
<ui:if test="'foo' in {'foo','bar'}">
   muhahaha
</ui:if>
<ui:else>
   boo
</ui:else>

<ui:if test="'foo' not in {'foo','bar'}">
   muhahaha
</ui:if>
<ui:else>
   boo
</ui:else>

To select a subset of a collection (called projection), you can use a wildcard within the collection.

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