
Modify panel > Modifier List > Object-Space Modifiers > Camera Map
Before you pick a camera, shows "None." After you pick a camera, shows the current camera object's name.
To apply the UVW coordinates, click this button, then select the camera through which to view the scene.

Allows the Camera Map modifier to work with animated cameras.
When enabled (default), the UV map projection is updated on each frame from the new location of the camera.

Animated Camera parameter = turned on
When disabled, the UV map projection is not updated on each frame.

Animated Camera parameter = turned off
Choose a method for applying mapping to the object: