Open Trade After Alert From Indicator

 
I have a 3rd party indicator which generates alerts. I don't have access to its code. How can I create an EA which trades from these alerts?
 
Figure out what buffer values are when an alert is generated.
 
William Roeder:
Figure out what buffer values are when an alert is generated.

Sorry what are buffer values and how do I figure them out? I can see the log it generates.

Reason: