AWS::DynamoDB::Table StreamSpecification - AWS CloudFormation
SyntaxProperties

AWS::DynamoDB::Table StreamSpecification

Represents the DynamoDB Streams configuration for a table in DynamoDB.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

Properties

ResourcePolicy

Creates or updates a resource-based policy document that contains the permissions for DynamoDB resources, such as a table's streams. Resource-based policies let you define access permissions by specifying who has access to each resource, and the actions they are allowed to perform on each resource.

In a CloudFormation template, you can provide the policy in JSON or YAML format because CloudFormation converts YAML to JSON before submitting it to DynamoDB. For more information about resource-based policies, see Using resource-based policies for DynamoDB and Resource-based policy examples.

Required: No

Type: ResourcePolicy

Update requires: No interruption

StreamViewType

When an item in the table is modified, StreamViewType determines what information is written to the stream for this table. Valid values for StreamViewType are:

  • KEYS_ONLY - Only the key attributes of the modified item are written to the stream.

  • NEW_IMAGE - The entire item, as it appears after it was modified, is written to the stream.

  • OLD_IMAGE - The entire item, as it appeared before it was modified, is written to the stream.

  • NEW_AND_OLD_IMAGES - Both the new and the old item images of the item are written to the stream.

Required: Yes

Type: String

Allowed values: NEW_IMAGE | OLD_IMAGE | NEW_AND_OLD_IMAGES | KEYS_ONLY

Update requires: No interruption