How can we pass multiple parameters to onSuccess method of PageMethod?

I'm calling PageMethod "SameMethod" from javascript method "caller" so that I can get some values from DB. After I get values, control is continuing in "onSuccess" method. Problem is that I need to use some variable values ("importantValue") from javascript method "caller" in "onSuccess" method.

 
function caller(){
    var importantValue = 1984;   
    PageMethod.SomeMethod(param1,..., onSuccess, onFailure)
}

onSuccess method should be something like this:

function onSuccess(pageMe开发者_开发技巧thodReturnValue, importantValue ){

}

Is it possible and, if it is, how to pass multiple parameters (besides return values of page method) to "onSuccess" method of PageMethod?

Thanks for help

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Pass your importantValue as an additional parameter when calling the PageMethod. (this is usually called the context parameter if you are searching online for more info)

function caller(){
    var importantValue = 1984;   
    PageMethod.SomeMethod(param1,..., onSuccess, onFailure, importantValue)
}

Then you can access the value in the onSuccess callback as follows:

function onSuccess(pageMethodReturnValue, context, methodName){
    // context == 1984
}

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Update to explain onSuccess parameters for @JacksonLopes There is a good description on the aspalliance website in an article by Suresh Kumar Goudampally

The important bit (modified to use my parameter names) is:

The success call back method has three parameters:

• pageMethodReturnValue - Returns the output of the page method.
• context - This is used to handle different logic when single callback is used for multiple page method requests. We can also pass an array of values as the context parameter.
• methodName - This parameter returns the name of page method called.

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You could use an anonymous function

PageMethod.SomeMethod(param1,..., function(){onSuccess(foo, importantValue)}, onFailure)