need help

[tawny moth]

    loop entities in radius 5 around player:
        if loop-entity is a wither:
            damage loop-entity by 65
    send "test" to player``` no errors it just dont work

[sonic delta]

unfortunate

[stable acorn]

just asking woudl on walk work no one ever told me if it does otherwise you should use on player move and check the block below the player