Solved Apply potion effect to near entities

[Spouth]

on rightclick:
   loop all entities in world of player:
       if the distance between the player and entity is smaller than 5:
           if the entity is not player:
               apply slowness 5 to the entity for 10 seconds

Ok, so there's a few weird problems. When I right click, only one entity gets slowness. The entity that gets slowness is the one, I am looking at. If I am not looking at an entity, nothing happens(I am holding an item when I do this). Also slowness 5 is given to it for an infinite amount time.
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on rightclick:
   loop all entities in world of player:
       if the distance between the player and entity is smaller than 5:
           if the entity is not player:
               apply slowness 5 to the entity for 10 seconds

Ok, so there's a few weird problems. When I right click, only one entity gets slowness. The entity that gets slowness is the one, I am looking at. If I am not looking at an entity, nothing happens(I am holding an item when I do this). Also slowness 5 is given to it for an infinite amount time.

Ok, so i replaced entity with loop-entity and everything started working.