Hi,
In the HikaMarket front-end product view, there is the activation of the "triggerView", so the trigger will be called by HikaMarket.
class productmarketViewproductmarket extends hikamarketView {
protected $triggerView = true;
Now if your plugin trigger is not called it indicates that your plugin is not published or invalid.
Please check that your plugin is right in the group "hikamarket", is right installed and see by your Joomla, that his name is right formed (so Joomla can instantiate the plugin).
You can put an "exit" (or "die") in your class constructor to right check that it is loaded by Joomla.
Regards,