Crockpot Italian Sausage Vegetable Soup

• 2 cans beef broth
• 1 potatoe
• 1 garlic clove
• 1 bay leaf
• 1 parmesan cheese
• 1/2 italian seasoning
• 350 ml water
• 350 gr garbanzo
• 260 gr tomatoes (canned)
• 130 gr italian pork sausage