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.”

ToolUseBlock

Focus mode
ToolUseBlock - Amazon Bedrock

A tool use content block. Contains information about a tool that the model is requesting be run., The model uses the result from the tool to generate a response. For more information, see Call a tool with the Converse API in the Amazon Bedrock User Guide.

Contents

input

The input to pass to the tool.

Type: JSON value

Required: Yes

name

The name of the tool that the model wants to use.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 64.

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

Required: Yes

toolUseId

The ID for the tool request.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 64.

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

Required: Yes

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

On this page

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