add_products.sh

# Magic ball
cleos push action market add '{"account":"market","newProduct":{"product_id":1,"name":"magic ball","power":120,"health":10,"ability":"see the future","level_up":3,"quantity":10,"price":150}}' -p market@active
executed transaction: effdd4505745f336170dfdd1ab0e4579b7b578fada0273617de1c8204c042208  176 bytes  542 us
#        market <= market::add                  {"account":"market","newProduct":{"product_id":1,"name":"magic ball","power":120,"health":10,"abilit...

cleos push action market getbyid '[1]' -p market
executed transaction: bd10a266a494919a578bc00cbaa73e0bbed52ad5d072fcca7b52d687c24e9367  104 bytes  618 us
#        market <= market::getbyid              {"productId":1}
>> Id: 1 | Name: magic ball | Power: 120 | Health: 10 | Ability: see the future | Level up: 3 | Quantity: 10 | Price: 150

# Elf's potion
cleos push action market add '{"account":"market","newProduct":{"product_id":2,"name":"elf’s potion","power":50,"health":300,"ability":"heal fast","level_up":0,"quantity":4,"price":350}}' -p market@active
executed transaction: ce5b3b104736f9a6940c322587adafc73d283d6ce6dca68b93f68a47f8c4f8af  176 bytes  493 us
#        market <= market::add                  {"account":"market","newProduct":{"product_id":2,"name":"elf’s potion","power":50,"health":300,"ab...

# Update potion quantity to 6
cleos push action market update '["market",2,2]' -p market
executed transaction: f6403545df115ff32018b96f2cc26458d4241979dcb71d261c5e9fdcdb93a8da  120 bytes  546 us
#        market <= market::update               {"account":"market","product_id":2,"quantity":2}

cleos push action market getbyid '[2]' -p market
executed transaction: 5fee346b1724b79313cbfb1c440967ed03f29cb349ae550a49c2815aadccb410  104 bytes  494 us
#        market <= market::getbyid              {"productId":2}
>> Id: 2 | Name: elf’s potion | Power: 50 | Health: 300 | Ability: heal fast | Level up: 0 | Quantity: 6 | Price: 350

# Orb of Osuvox
cleos push action market add '{"account":"market","newProduct":{"product_id":3,"name":"Orb of Osuvox","power":5000,"health":300,"ability":"","level_up":0,"quantity":1,"price":3250}}' -p market@active
executed transaction: 214256d25856875c7e7fd6c1fb07e429ddf792480f38e7ee1a70a77ca86a35b0  168 bytes  518 us
#        market <= market::add                  {"account":"market","newProduct":{"product_id":3,"name":"Orb of Osuvox","power":5000,"health":300,"a...

Great article. You forgot adding this embed tho;

Thanks Falci! I'll update it :)