[Home](./index.md) > [server](./server.md) > [Quaternion](./server.quaternion.md) > [rotateZ](./server.quaternion.rotatez.md) ## Quaternion.rotateZ() method Rotates the quaternion around the z-axis. **Signature:** ```typescript rotateZ(angle: number): Quaternion; ``` ## Parameters

Parameter	Type	Description
angle	number	The angle to rotate in degrees.

**Returns:** [Quaternion](./server.quaternion.md) The current quaternion.