I am Find A Solution to call event when my controller is run. I found solution but is working on every controller run
<global>
<events>
<controller_action_predispatch>
<observers>
<controller_action_before>
<class>Mycustom_Custom_Model_Observer</class>
<method>myFunction</method>
</controller_action_before>
</observers>
</controller_action_predispatch>
</events>
</global>
I need to run myFunction when my Module Controller is run