ColdFusion onError Function for Application.cfc

public void function onError(required any exception, required string eventname){

//log error
writeLog(file='[LOG FILE NAME]', text='#arguments.exception.message#');
//save error information in a single variable
savecontent variable='errortext' {
	writeOutput("An error occurred: http://#cgi.server_name##cgi.script_name#?#cgi.query_string#<br />
	Time: #now().dateFormat('short')# :: #now().timeFormat('short')#<br />");
	writeDump(var=arguments.exception, label='Error Log');
	writeDump(var=form, label='Form Scope');
	writeDump(var=url, label='URL Scope');
	writeDump(var=cgi, label='CGI Scope');
}
//email the results to your self/admin
cfmail(to="[YOUR EMAIL]", from="[YOUR EMAIL]", subject="Error: #arguments.exception.message#",type="html"){
    	writeOutput(errortext);
    };
    
    location(url="[REDIRECT TO FRIENDLY ERROR PAGE]", addtoken="false");
return;
}