# ToolInputSchema


The schema for the tool. The top level schema type must be `object`. For more information, see [Call a tool with the Converse API](https://docs.aws.amazon.com/bedrock/latest/userguide/tool-use.html) in the Amazon Bedrock User Guide.

## Contents


**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** json **   <a name="bedrock-Type-runtime_ToolInputSchema-json"></a>
The JSON schema for the tool. For more information, see [JSON Schema Reference](https://json-schema.org/understanding-json-schema/reference).  
Type: JSON value  
Required: No

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/bedrock-runtime-2023-09-30/ToolInputSchema) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-runtime-2023-09-30/ToolInputSchema) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-runtime-2023-09-30/ToolInputSchema)