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Filtered Attribute Values

 15th June 2023 at 4:52am

Filtered attribute values are indicated with triple curly braces around a Filter Expression. The value will be the first item in the resulting list, or the empty string if the list is empty.

New in: 5.2.2 To improve readability, newlines can be included anywhere that whitespace is allowed within filtered attributes.

This example shows how to add a prefix to a value:

<$text text={{{ [<currentTiddler>addprefix[$:/myprefix/]] }}} />

The value of the attribute will be the exact text from the first item in the resulting list. Any wiki syntax in that text will be left as-is.