How to use elemMatch to match nested array

Question

I have some data structure like this

{
  a: 1,
  array1: [
    {
      b: 2
      array2: [
        { 
          // this is my target
          c: 3,
                


        

Answer 1

try this，it help me a lot.

{ 
  "array1": {
    "$elemMatch": {
      "array2": {
        "$elemMatch": {
          "c": 3
        }
      }
    }
  }
}