# FunctionSchema
<a name="API_agent_FunctionSchema"></a>

Defines functions that each define parameters that the agent needs to invoke from the user. Each function represents an action in an action group.

This data type is used in the following API operations:
+  [CreateAgentActionGroup request](https://docs.aws.amazon.com/bedrock/latest/APIReference/API_agent_CreateAgentActionGroup.html#API_agent_CreateAgentActionGroup_RequestSyntax) 
+  [CreateAgentActionGroup response](https://docs.aws.amazon.com/bedrock/latest/APIReference/API_agent_CreateAgentActionGroup.html#API_agent_CreateAgentActionGroup_ResponseSyntax) 
+  [UpdateAgentActionGroup request](https://docs.aws.amazon.com/bedrock/latest/APIReference/API_agent_UpdateAgentActionGroup.html#API_agent_UpdateAgentActionGroup_RequestSyntax) 
+  [UpdateAgentActionGroup response](https://docs.aws.amazon.com/bedrock/latest/APIReference/API_agent_UpdateAgentActionGroup.html#API_agent_UpdateAgentActionGroup_ResponseSyntax) 
+  [GetAgentActionGroup response](https://docs.aws.amazon.com/bedrock/latest/APIReference/API_agent_GetAgentActionGroup.html#API_agent_GetAgentActionGroup_ResponseSyntax) 

## Contents
<a name="API_agent_FunctionSchema_Contents"></a>

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

 ** functions **   <a name="bedrock-Type-agent_FunctionSchema-functions"></a>
A list of functions that each define an action in the action group.  
Type: Array of [Function](API_agent_Function.md) objects  
Required: No

## See Also
<a name="API_agent_FunctionSchema_SeeAlso"></a>

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-agent-2023-06-05/FunctionSchema) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agent-2023-06-05/FunctionSchema) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agent-2023-06-05/FunctionSchema)