[ReneG]

Under the OnPlayerUpdate callback you do this.

pawn Код:

public OnPlayerUpdate(playerid)
{
    if(IsPlayerInRangeOfPoint(playerid,range,x,y,z))
    {
        MoveObject(objectid,x,y,z,speed)
    }
    return 1;
}

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pawn Код:

if(IsPlayerInRangeOfPoint(playerid,range,x,y,z))

This checks if the player is in range of a point. You would put the object coordinates here.

pawn Код:

MoveObject(objectid,x,y,z,speed)

This moves the object only if the player is in range of it.
So it should look like this.

pawn Код:

public OnPlayerUpdate(playerid)
{
    if(IsPlayerInRangeOfPoint(playerid,range,x,y,z))
    {
        MoveObject(objectid,x,y,z,speed)
    }
    return 1;
}

Basically, this is what it is saying.
"If a player is in range of this point, then move this object."