Simple steps to train your dog to use doorbell
Step 1: hang the bell on the door to pull the dog. You can also hang them on the doorknob.
Make sure your dog is easy to touch.
Step 2: whenever you take the dog out, let the dog pull or interact with the bell.
Demonstrate a few times to let your pet know your intention.
When the bell rings, please say the command related to going out.
Provide positive verbal feedback and take your dog out.
Step 3: repeat the process, always give the same instructions
And praise. Make sure you don't distract your dog from going to the bathroom
After playing, you take him / her outside.