@FetchRequest

fetchrequest.swift

import SwiftUI

struct StudentsView: View {
    
    @FetchRequest(
        entity: Student.entity(),
        sortDescriptors: [],
        predicate: NSPredicate(format: "name = %@", "Joe")
    ) var students: FetchedResults<Student>
    
    var body: some View {
        List {
            ForEach(students) { student in
                Text(student.name ?? "No Name")
            }
            
            Button(action: {
                // How do I search for students with the first name Mary?
            }) {
                Text("Find Mary")
            }
        }
    }
    
}

struct StudentsView_Previews: PreviewProvider {
    static var previews: some View {
        StudentsView()
    }
}