SubscriptionChannel

An notification channel used to watch for resource changes.

JSON representation 
{
  "id": string,
  "token": string,
  "expiration": string,
  "type": string,
  "address": string,
  "payload": boolean,
  "params": {
    string: string,
    ...
  },
  "resourceId": string,
  "resourceUri": string,
  "kind": string
}
Fields
id

string

A UUID or similar unique string that identifies this channel.
token

string

An arbitrary string delivered to the target address with each notification delivered over this channel. Optional.
expiration

string (int64 format)

Date and time of notification channel expiration, expressed as a Unix timestamp, in milliseconds. Optional.
type

string

The type of delivery mechanism used for this channel.
address

string

The address where notifications are delivered for this channel.
payload

boolean

A Boolean value to indicate whether payload is wanted. Optional.
params

map (key: string, value: string)

Additional parameters controlling delivery channel behavior. Optional. For example, params.ttl specifies the time-to-live in seconds for the notification channel, where the default is 2 hours and the maximum TTL is 2 days.

An object containing a list of "key": value pairs. Example: { "name": "wrench", "mass": "1.3kg", "count": "3" }.
resourceId

string

An opaque ID that identifies the resource being watched on this channel. Stable across different API versions.
resourceUri

string

A version-specific identifier for the watched resource.
kind

string

Identifies this as a notification channel used to watch for changes to a resource, which is api#channel.