Changing destination on a move object script

Hi, I'm trying to make a code that puts one object from one position to another, I have this code but I cannot change the end destination to my liking and I'm struggling to understand it. Any help would be appreciated. :)

  enum MoveType {Time, Speed}
 
 static var use : MoveObject;
 
 function Awake () {
     if (use) {
         Debug.LogWarning("one only");
         return;
     }
     use = this;
 }
 
 // translates an object's position to another
 function Translation (thisTransform : Transform, endPos : Vector3, value : float, moveType : MoveType) {
     yield Translation (thisTransform, thisTransform.position, thisTransform.position + endPos, value, moveType);
 }
 
 // smoothly moves and object from a point to another
 function Translation (thisTransform : Transform, startPos : Vector3, endPos : Vector3, value : float, moveType : MoveType) {
     var rate = (moveType == MoveType.Time)? 1.0/value : 1.0/Vector3.Distance(startPos, endPos) * value;
     var t = 0.0;
     while (t < 1.0) {
         t += Time.deltaTime * rate;
         thisTransform.position = Vector3.Lerp(startPos, endPos, t);
         yield;
     }
 }
 
 // rotates to a certain limit given speed and time values
 function Rotation (thisTransform : Transform, degrees : Vector3, time : float) {
     var startRotation = thisTransform.rotation;
     var endRotation = thisTransform.rotation * Quaternion.Euler(degrees);
     var rate = 1.0/time;
     var t = 0.0;
     while (t < 1.0) {
         t += Time.deltaTime * rate;
         thisTransform.rotation = Quaternion.Slerp(startRotation, endRotation, t);
         yield;
     }
 }

thanks for your time.