Create an alias of a flow in Amazon Bedrock - Amazon Bedrock
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: January 6, 2026.

Create an alias of a flow in Amazon Bedrock

To invoke a flow, you must first create an alias that points to a version of the flow. To learn how to create an alias, choose the tab for your preferred method, and then follow the steps:

Console
To create an alias for your Amazon Bedrock Flows

  1. Sign in to the AWS Management Console with an IAM identity that has permissions to use the Amazon Bedrock console. Then, open the Amazon Bedrock console at https://eusc-de-east-1.console.amazonaws-eusc.eu/bedrock.

  2. Select Amazon Bedrock Flows from the left navigation pane. Then, choose a flow in the Flows section.

  3. In the Aliases section, choose Create alias.

  4. Enter a unique name for the alias and provide an optional description.

  5. Choose one of the following options:

    • To create a new version, choose Create a new version and to associate it to this alias.

    • To use an existing version, choose Use an existing version to associate this alias. From the dropdown menu, choose the version that you want to associate the alias to.

  6. Select Create alias. A success banner appears at the top.

API

To create an alias to point to a version of your flow, send a CreateFlowAlias request with an Agents for Amazon Bedrock build-time endpoint.

The following fields are required:

Field Basic description
flowIdentifier The ARN or ID of the flow for which to create an alias.
name A name for the alias.
routingConfiguration Specify the version to map the alias to in the flowVersion field.

The following fields are optional:

Field Use-case
description To provide a description for the alias.
clientToken To prevent reduplication of the request.

Creation of an alias produces a resource with an identifier and an Amazon Resource Name (ARN) that you can specify when you invoke a flow from your application. To learn how to invoke a flow, see Test a flow in Amazon Bedrock.