Decide what your pet will do when it receives the 'food' message.

Go to the Events category and drag out a when I receive block.

To make your pet glide toward the food, click on the Motion category. Use the glide block to tell your pet where you want it to go.

Tip: You can type in an x and y position. Or drag your pet to where you want it to go, and the x and y within glide (in the blocks palette) will automatically update.