How to train dogs to come

Dog Animal
The domestic dog is a usually furry, carnivorous member of the Canidae family. Domestic dogs are commonly known as "man's best friend". The dog was the first domesticated animal and has been widely kept as a working, hunting, and pet companion. Wikipedia
Scientific name: Canis lupus familiaris   how to train dogs to come Gestation period: 63 d on average
Daily sleep: 10.1 h on average
Height: 67 – 70 cm (At Shoulder)
Rank: Subspecies
Lifespan: 10 – 13 y, 11.08 y on average (UK population), 12.67 y on average (dying of natural causes, UK population)