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asfunction Availability Flash Player 5. Usage
    asfunction:function,"parameter"
Parameters `function` An identifier for a function. `parameter` A string that is passed to the function named in the `function` parameter. Returns Nothing. Description Protocol; A special protocol for URLs in HTML text fields. In HTML text fields, text may be hyperlinked using the HTML `A` tag. The `HREF` attribute of the `A` tag contains a URL which may be for a standard protocol like HTTP, HTTPS or FTP. The `asfunction` protocol is an additional protocol specific to Flash, which causes the link to invoke an ActionScript function. Example In this example, the `MyFunc` function is defined in the first three lines of code. The `textField` variable is associated with an HTML text field. The text "Click Me!" is a hyperlink inside the text field. The `MyFunc` function is called when the user clicks on the hyperlink:
    function MyFunc(arg){
    trace ("You clicked me!Argument was "+arg);
    }
    myTextField.htmlText ="<A HREF=\"asfunction:MyFunc,Foo \">Click Me!</A>";
When the hyperlink is clicked, the following results are displayed in the Output window:
    You clicked me!  Parameter was Foo

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