cfthrow

Throws a developer-specified exception, which can be caught
with a cfcatch tag that has any of the following type attribute
options:
type = "custom_type"
type = "Application"
type = "Any"

<cfthrow>

throw(message="");

Attribute Reference

type string
Default: `Custom`

Do not enter another predefined type; types are not
generated by CFML applications. If you specify
Application, you need not specify a type for cfcatch.

Values:

Custom
Application
Database
Template
Security
Object
MissingInclude
Expression
Lock
SearchEngine

message string

Message that describes exception event.

detail string

Description of the event. CFML appends error position
to description; server uses this parameter if an error is
not caught by your code.

errorcode string

A custom error code that you supply.

extendedinfo string

A custom error code that you supply.

object any

Requires the value of the cfobject tag name attribute.

Throws a Java exception from a CFML tag.

This attribute is mutually exclusive with all other
attributes of this tag.

Compatibility

ColdFusion:

Version 4+ CF9+ throw added to cfscript.

Examples
Sample code using the cfthrow tag

Script Example: Try, Throw, Catch, Finally!

Throw and Finally requires CF 9+ in cfscript

try {
    throw(message="Oops", detail="xyz"); //CF9+
} catch (any e) {
    writeOutput("Error: " & e.message);
} finally { //CF9+
    writeOutput("I run even if no error");
}

Expected Result: Error: OopsI run even if no error

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