Description
Does either of the following:
- Invokes a component method from within a ColdFusion page or component
- Invokes a method on an instantiated web service object
- invokes a method on Java/.NET/COM/Corba object
Returns
Returns what is returned by the invoked method.
History
ColdFusion 10: Added this function
Syntax
invoke(instance, methodname [, arguments])
Properties
Parameter |
Description |
|---|---|
instance |
Required. For CFC : String or component object; a reference to a component, or component name/path to instantiate. Can be an empty string when invoking a method within the same ColdFusion page or component. For webservice/Java/.NET/COM/Corba : object instance |
methodname |
Required. Name of a method. For a web service, the name of an operation. |
arguments |
Optional. Arguments to pass to the method. |
Example
Invoke a method on Component
<cfscript>
obj = createObject("component","TestComponent");
invoke(obj,"function1",{a1="ColdFusion"});
</cfscript>
<cfscript>
obj = createObject("webservice","http://somedomain/test.cfc?wsdl");
//Invoke foo
result = invoke(obj,"foo",{arg1="ColdFusion"});
//Invoke bar with two arguments, passing the second argument as null.
result = invoke(obj, "bar", {arg1="ColdFusion", arg2=javacast("null", "")});
</cfscript>
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