title: I can not change children's positions in animation clip in unity
body: <p>I am creating an animation in unity3d and want to change children's positions.
  But i can not</p>
  
  <p>I trying to change value of transform.y of this object but when i press 'enter' value returns to standard</p>
  
  <p><a href="https://imgur.com/eeyqDdN" rel="nofollow noreferrer">https://imgur.com/eeyqDdN</a>
  <a href="https://imgur.com/DCkcFYQ" rel="nofollow noreferrer">https://imgur.com/DCkcFYQ</a></p>