MQL Wizard will only allow me to use two of the event handlers?

 
When I open a new MQL Wizard file and choose "Expert Advisor (template)" it will only allow me to choose from two of the event handlers? It will only let me use "On Timer" and "OnChartEvent", but I want to use "On Trade"... Can anyone help?
 
bwood101295:
When I open a new MQL Wizard file and choose "Expert Advisor (template)" it will only allow me to choose from two of the event handlers? It will only let me use "On Timer" and "OnChartEvent", but I want to use "On Trade"... Can anyone help?
OnTrade is not available for MT4.