[Home](./index.md) > [bitburner](./bitburner.md) > [UserInterface](./bitburner.userinterface.md) > [moveTail](./bitburner.userinterface.movetail.md) ## UserInterface.moveTail() method Move a tail window. **Signature:** ```typescript moveTail(x: number, y: number, pid?: number): void; ``` ## Parameters

Parameter	Type	Description
x	number	x coordinate.
y	number	y coordinate.
pid	number	_(Optional)_ Optional. PID of the script having its tail moved. If omitted, the current script is used.

**Returns:** void ## Remarks RAM cost: 0 GB Moves a tail window. Coordinates are in screen space pixels (top left is 0,0).