Look At Mode

[IgMart]

The documentation has description for the first 2 options:

• LOOK_AT_GIMBAL_FREE: Gimbal free mode, only control the gimbal to look at the target, it will automatically exit after completion.
• LOOK_AT_GIMBAL_FOLLOWING: Gimbal following mode, control gimbal and aircraft to look at the target, it will automatically exit after completion.
• LOOK_AT_ZOOM_CIRCLE: No current description in the docs.

Also, how to stop the mission before completing?