Select your cookie preferences

We use essential cookies and similar tools that are necessary to provide our site and services. We use performance cookies to collect anonymous statistics, so we can understand how customers use our site and make improvements. Essential cookies cannot be deactivated, but you can choose “Customize” or “Decline” to decline performance cookies.

If you agree, AWS and approved third parties will also use cookies to provide useful site features, remember your preferences, and display relevant content, including relevant advertising. To accept or decline all non-essential cookies, choose “Accept” or “Decline.” To make more detailed choices, choose “Customize.”

AWS::Logs::Transformer CopyValueEntry

Focus mode
AWS::Logs::Transformer CopyValueEntry - AWS CloudFormation
Filter View

This object defines one value to be copied with the copyValue processor.

Syntax

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

JSON

{ "OverwriteIfExists" : Boolean, "Source" : String, "Target" : String }

YAML

OverwriteIfExists: Boolean Source: String Target: String

Properties

OverwriteIfExists

Specifies whether to overwrite the value if the destination key already exists. If you omit this, the default is false.

Required: No

Type: Boolean

Update requires: No interruption

Source

The key to copy.

Required: Yes

Type: String

Pattern: ^.*[a-zA-Z0-9]+.*$

Update requires: No interruption

Target

The key of the field to copy the value to.

Required: Yes

Type: String

Pattern: ^.*[a-zA-Z0-9]+.*$

Maximum: 128

Update requires: No interruption

On this page

PrivacySite termsCookie preferences
© 2025, Amazon Web Services, Inc. or its affiliates. All rights reserved.