Terraform outputs - another example

resource "random_pet" "cat" {
  prefix = "Mrs"
  separator = "."
  length = 1
}

output cat_name {
  value = random_pet.cat.id
  description = "Name of the cat"
}
If you run init, plan and apply - at the end you will get something like this:
Outputs:

cat_name = "Mrs.colt"