Make an arrow follow a bezierline.
- Create a rotation layer, an arrow with the bline tool, and a path with the bline tool.
- Create an encapsulated layer that contains the rotation layer and arrow.
- Select the encapsulation layer and click on it's (green) positioning duct to highlight it.
- Hold Control and click in order- the rotate layer, the rotation duct (blue), the bline layer.
- Right click on the bline and select "Link to BLine".