> This is how you fetch every user in a collection: await db.users This is how you fetch every admin: await db.users.filter( user => user.role == "ad

> This is how you fetch every user in a collection: await db.users This is how you fetch every admin: await db.users.filter( user => user.role == "admin" ) This is how you fetch their email addresses: await db.users.filter( user => user.role == "admin ).map( user => user.email ) I think it can be done using JavaScript Proxy. Here's an update query: user.email = "updated@email.ltd"