Documentation home page

ColdFusion Native types

any            Any type of variable.
array            An indexed array of variables
binary            Binary data
boolean            Yes/No, 1/0, true/false
date            Anything that ColdFusion can convert to a date.
guid            A guid or UUID of the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
numeric            Anything that ColdFusion can convert to a number
query            A ColdFusion recordset
string            A string
struct            A ColdFusion structure
uuid            A ColdFusion UUID of the form xxxxxxxx-xxxx-xxxx-xxxxxxxxxxxxxxxx
variablename            A string formatted according to ColdFusion variable naming conventions.
void            This is used to specify that no value is returned from a function.

More information
View more information on the ColdFusion data types at the Macromedia livedocs website