How to write Eager Loading in Query Laravel

$query->with(['batches'])->select(['name'])->orderBy('name', 'asc')->limit(1);

Result:

"batches": [
 {
      "id": 3079,
      "cost": 100,
      "stock": 20
 },
 {
      "id": 3080,
      "cost": 100,
      "stock": 20
}
]

I am getting the batches for the relationship with Products Model. But from batches I want to get all stock. How will I write my query?

Level 60

$query->with(['batches.stock'])
		->select(['name'])
		->orderBy('name', 'asc')
        ->limit(1);

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