Reference to documentation for implementing functions to be used in EL

I'm looking for documentation on implementing functions that can be used in EL in jsf pages. Maybe I'm missing something, but the best info I can find is that the a FunctionMapper object is used to resolve functions that show up in EL. But how can I define my own FunctionMapper? how do I set it?

Re: Reference to documentation for implementing functions to be used in EL

-- Original message -- From: Jacob Mathew [EMAIL PROTECTED] I'm looking for documentation on implementing functions that can be used in EL in jsf pages. Maybe I'm missing something, but the best info I can find is that the a FunctionMapper object is used to