using trigger box as a bp to play animation on overlap (tuto and help)

hey , i have made a bp that when player begin overlaps the triggerbox(tb) it plays crouch animation .
it works prefect but as i don’t move , he continues playing animation . thats my issue , i know i have to build a
state for it , but see my bp bleow , it seems to get work but it doesn’t .


any help would be great .

also this doesnt work

How do you find your “play animation” box in the last version of unreal (4.13) ?