action sms77_contacts_get {
  label: "ContactsGet"
  provider: sms77
  method: GET
  path: "/contacts"
  encoding: json
  input: {
    type: "object"
    properties: {
      action: {
        type: "string"
        enum: ["read"]
      }
      json: {
        type: "number"
        enum: [0, 1]
      }
    }
    required: ["action"]
    additionalProperties: false
  }
  output: {
    type: "string"
  }
}