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setToList
Last update:
May 18, 2026
Converts a Set to a list string.
Description
Produces a comma-delimited list from a set.
Returns
String.
Category
ColdFusion Set built-in functions
Function syntax
setToList(set)
set.toList()Parameters
| Parameter | Description |
|---|---|
| set | Set to convert. |
| delimiter | The delimiter to appear in the output. |
See also
Example
The following example uses this API in
cfscript (syntax: setToList(set)).
<cfscript>
s = setNew();
s.add("one");
s.add("two");
s.add("three");
listForm = setToList(s,";");
writeOutput(listForm); // e.g. "one;two;three"
</cfscript>
Real-world example
Pass unique category codes to a legacy tag or function that expects a list attribute.
<cfscript>
function categoryListForTag(required any categorySet) {
return setToList(categorySet, ",");
}
cats = setNew();
cats.add("news");
cats.add("sports");
// Hypothetical: <cfmodule categories="#categoryListForTag(cats)#">
writeOutput(categoryListForTag(cats));
</cfscript>
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