Messages that represent a change or an action performed on a Shopping List.
Messages are available in a variety of Message Types specific to a resource. Common fields across all Message Types are represented by a base resource, Message.
You can access Messages either by querying the Messages API, or by subscribing to them with a Subscription. To query Messages using the API, you must enable the feature first.
Shopping List Messages
Messages that represent a change or an action performed on a Shopping List.
Shopping List Line Item Added
Generated after a successful Add ShoppingListLineItem update action.
id String | Unique identifier of the Message. Can be used to track which Messages have been processed. |
version Int | Version of a resource. In case of Messages, this is always 1 . |
sequenceNumber Int | Message number in relation to other Messages for a given resource. The sequenceNumber of the next Message for the resource is the successor of the sequenceNumber of the current Message. Meaning, the sequenceNumber of the next Message equals the sequenceNumber of the current Message + 1.
sequenceNumber can be used to ensure that Messages are processed in the correct order for a particular resource. |
resource | Reference to the resource on which the change or action was performed. |
resourceVersion Int | Version of the resource on which the change or action was performed. |
type String | "ShoppingListLineItemAdded" Message Type of the Message. |
resourceUserProvidedIdentifiers | User-provided identifiers of the resource, such as key or externalId . Only present if the resource has such identifiers. |
lineItem | Line Item that was added to the ShoppingList. |
createdAt DateTime | Date and time (UTC) the Message was generated. |
createdBy BETA | IDs and references that created the Message. |
lastModifiedAt DateTime | Value of createdAt . |
lastModifiedBy BETA | IDs and references that last modified the Message. |
Shopping List Line Item Removed
Generated after a successful Remove ShoppingListLineItem update action.
id String | Unique identifier of the Message. Can be used to track which Messages have been processed. |
version Int | Version of a resource. In case of Messages, this is always 1 . |
sequenceNumber Int | Message number in relation to other Messages for a given resource. The sequenceNumber of the next Message for the resource is the successor of the sequenceNumber of the current Message. Meaning, the sequenceNumber of the next Message equals the sequenceNumber of the current Message + 1.
sequenceNumber can be used to ensure that Messages are processed in the correct order for a particular resource. |
resource | Reference to the resource on which the change or action was performed. |
resourceVersion Int | Version of the resource on which the change or action was performed. |
type String | "ShoppingListLineItemRemoved" Message Type of the Message. |
resourceUserProvidedIdentifiers | User-provided identifiers of the resource, such as key or externalId . Only present if the resource has such identifiers. |
lineItem | Line Item that was removed from the ShoppingList. |
createdAt DateTime | Date and time (UTC) the Message was generated. |
createdBy BETA | IDs and references that created the Message. |
lastModifiedAt DateTime | Value of createdAt . |
lastModifiedBy BETA | IDs and references that last modified the Message. |