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IsStruct
Last update:
May 18, 2026
Description
Determines whether a variable is a structure.
IsStruct(variable)Returns
True, if variable is a ColdFusion structure or is a Java object that implements the java.lang.Map interface. The return value is False if the object in variable is a user-defined function (UDF).
Category
Function syntax
IsStruct(variable)See also
Structure functions ; Modifying a ColdFusion XML object in the Developing ColdFusion Applications
ColdFusion MX: Changed behavior: this function can be used on XML objects.
Parameters
| Parameter | Description |
variable | Variable name |
Example
<cfscript>
myStruct={}
myStruct.name="ColdFusion"
myStruct.version=2018
myStruct.releaseYear=2018
mystruct.releaseMonth="July"
writeOutput("Is myStruct a struct: " & isStruct(myStruct) )
</cfscript>Output
Is myStruct a struct: YES
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