Applied an AIM constraint, generating extra locators to control the UP object of the AIM as well as creating a Roll property on the AIM target to control the rotation of the roll axis.
Auto - User must select the AIM target and then the object you want to AIM at it. The tool will automatically calculate which axis is the closest aiming axis and position your target along that axis before applying the AIM constraint.
X,Y,Z - User must select the object they want to apply the AIM constraint to. Tool will auto generate a target locator and place it along the chosen axis before applying the AIM constraint.