How to use RunJScript custom action

[skatam]

Hi,

I am trying to use RunJScript custom action.I have written a function with an alertbox in it in the javascript file.After creating the setup when I run it I am getting an error(look in to Attachment).Do I need to write the javascript function in a specific way.

[skatam]

Hi,
The function that i have ussed is.

<script language=Javascript>
function TestCustomAction()
{
alert("TestCustomAction");
}
</script>

thanks,
skatam