[amibroker] New to Amibroker - How to create a function for use from another indicator

[neil.wrightson]

Hi,

As per above, I just bought Amibroker and it looks good so far.
I want to create a Pivot point price (may already exist in Amibroker but I have 
not found it yet) that I can use in other indicators I develop.

The function is

function PPrice ()
{
        return (High+Low+Close)/3;
};

I then save this as PPrice.afl but if I then create another function and 
attempt to use it from within this function I get a syntax error.

i.e.
Plot( PPrice(), "Fast", ParamColor( "Fast Color", colorBlue ), 
ParamStyle("Fast") ); 

I know I can put the above function text into the same indicator as the plot 
but this does not make for easily usable code (units).
I'm also a Pascal (Delphi) programmer :-)

Neil.