UE4 Combat Arena Blueprint Tutorials

Hello guys and thanks for this great tutorial series ^^
Im newbie in unreal engine and start with your series.
I have a question for camera lock on if you can answer im be a happy :smiley:
Now camera lock on perfectly work if you challange with 1 enemy but if you see 2 or more enemy “Camera lock on” try lock to every enemy in area.How can i fix it ? I want only lock to 1 enemy :confused:
Already thanks for answers and sorry for bad english :confused: