{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-pinpoint/refs/heads/main/json-structure/amazon-pinpoint-duration-structure.json",
  "name": "Duration",
  "description": "Duration schema from Amazon Pinpoint API",
  "type": "string",
  "enum": [
    "HR_24",
    "DAY_7",
    "DAY_14",
    "DAY_30"
  ]
}