ZUML Reference/EL Expressions/Implicit Objects (Predefined Variables)/param

param - java.util.Map

A map of parameters of the request, Map<String, String>.

To retrieve all possible parameter values, use paramValues instead.

${param.something}
${paramValues.something[0]}

Notice that, in zscript, there is no paramValues. Param is a map of possible values, Map<String, String[]>.

<zscript>
String[] values = param.get("something");
</zscript>

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