3.1 Partial Answers

To use partial answers, simply provide the attribute/property names separated by commas. For example fields=name,age signals that only the name and age should be listed in the query result. For access to the second level use the syntax fields=property.property1.

Example: Retrieve the list of items containing only name, age and date of registration.

http://localhost:3000/?fields=name,age,created_at

Result:

fields: { 
   "name": 1,
   "age": 1,
   "created_at": 1
}

Example: Retrieve the list of itemns containing name and city of the address property. In this case, we are considering the address object as a second level.

http://localhost:3000/?fields=name,address.city

Result:

fields: { 
   "name": 1,
   "address.city": 1
}