• make api with two collection (same example)
• Graphql or RestApi

*) Users(collection):

• name:-
• lastname:-
• age:-
• car:(belonging._id => relation)

*) belonging(collection):

• color:-
• mode:-
• year:-
• brand:-
• photo:-

result (get,post 'params') =>{ name:amin, lastname:doreh, car:{ model:2020, photo:link, brand: Benz } }

Clean code , Pattern design , Simple but professional , You have only 48 hours to receive the link, after which no excuse is accepted

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• Import and save files from GitHub, Dropbox, Google Drive and One Drive and share with us file to email or link.