All Implemented Interfaces:
```
public final class InputTokenCountParams.ToolChoice

                    
```
How the model should select which tool (or tools) to use when generating a response. See the tools parameter to see how to specify which tools the model can call.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public interface`	`InputTokenCountParams.ToolChoice.Visitor`	An interface that defines how to map each variant of ToolChoice to a value of type T.

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`final Optional<ToolChoiceOptions>`	`options()`	Controls which (if any) tool is called by the model.
`final Optional<ToolChoiceAllowed>`	`allowed()`	Constrains the tools available to the model to a pre-defined set.
`final Optional<ToolChoiceTypes>`	`types()`	Indicates that the model should use a built-in tool to generate a response.
`final Optional<ToolChoiceFunction>`	`function()`	Use this option to force the model to call a specific function.
`final Optional<ToolChoiceMcp>`	`mcp()`	Use this option to force the model to call a specific tool on a remote MCP server.
`final Optional<ToolChoiceCustom>`	`custom()`	Use this option to force the model to call a specific custom tool.
`final Boolean`	`isOptions()`
`final Boolean`	`isAllowed()`
`final Boolean`	`isTypes()`
`final Boolean`	`isFunction()`
`final Boolean`	`isMcp()`
`final Boolean`	`isCustom()`
`final ToolChoiceOptions`	`asOptions()`	Controls which (if any) tool is called by the model.
`final ToolChoiceAllowed`	`asAllowed()`	Constrains the tools available to the model to a pre-defined set.
`final ToolChoiceTypes`	`asTypes()`	Indicates that the model should use a built-in tool to generate a response.
`final ToolChoiceFunction`	`asFunction()`	Use this option to force the model to call a specific function.
`final ToolChoiceMcp`	`asMcp()`	Use this option to force the model to call a specific tool on a remote MCP server.
`final ToolChoiceCustom`	`asCustom()`	Use this option to force the model to call a specific custom tool.
`final Optional<JsonValue>`	`_json()`
`final <T extends Any> T`	`accept(InputTokenCountParams.ToolChoice.Visitor<T> visitor)`
`final InputTokenCountParams.ToolChoice`	`validate()`
`final Boolean`	`isValid()`
`Boolean`	`equals(Object other)`
`Integer`	`hashCode()`
`String`	`toString()`
`final static InputTokenCountParams.ToolChoice`	`ofOptions(ToolChoiceOptions options)`	Controls which (if any) tool is called by the model.
`final static InputTokenCountParams.ToolChoice`	`ofAllowed(ToolChoiceAllowed allowed)`	Constrains the tools available to the model to a pre-defined set.
`final static InputTokenCountParams.ToolChoice`	`ofTypes(ToolChoiceTypes types)`	Indicates that the model should use a built-in tool to generate a response.
`final static InputTokenCountParams.ToolChoice`	`ofFunction(ToolChoiceFunction function)`	Use this option to force the model to call a specific function.
`final static InputTokenCountParams.ToolChoice`	`ofMcp(ToolChoiceMcp mcp)`	Use this option to force the model to call a specific tool on a remote MCP server.
`final static InputTokenCountParams.ToolChoice`	`ofCustom(ToolChoiceCustom custom)`	Use this option to force the model to call a specific custom tool.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
- Method Detail
  - options
```
 final Optional<ToolChoiceOptions> options()
```
    Controls which (if any) tool is called by the model.
    none means the model will not call any tool and instead generates a message.
    auto means the model can pick between generating a message or calling one or more tools.
    required means the model must call one or more tools.
  - allowed
```
 final Optional<ToolChoiceAllowed> allowed()
```
    Constrains the tools available to the model to a pre-defined set.
  - types
```
 final Optional<ToolChoiceTypes> types()
```
    Indicates that the model should use a built-in tool to generate a response. Learn more about built-in tools.
  - function
```
 final Optional<ToolChoiceFunction> function()
```
    Use this option to force the model to call a specific function.
  - mcp
```
 final Optional<ToolChoiceMcp> mcp()
```
    Use this option to force the model to call a specific tool on a remote MCP server.
  - custom
```
 final Optional<ToolChoiceCustom> custom()
```
    Use this option to force the model to call a specific custom tool.
  - isOptions
```
 final Boolean isOptions()
```
  - isAllowed
```
 final Boolean isAllowed()
```
  - isTypes
```
 final Boolean isTypes()
```
  - isFunction
```
 final Boolean isFunction()
```
  - isMcp
```
 final Boolean isMcp()
```
  - isCustom
```
 final Boolean isCustom()
```
  - asOptions
```
 final ToolChoiceOptions asOptions()
```
    Controls which (if any) tool is called by the model.
    none means the model will not call any tool and instead generates a message.
    auto means the model can pick between generating a message or calling one or more tools.
    required means the model must call one or more tools.
  - asAllowed
```
 final ToolChoiceAllowed asAllowed()
```
    Constrains the tools available to the model to a pre-defined set.
  - asTypes
```
 final ToolChoiceTypes asTypes()
```
    Indicates that the model should use a built-in tool to generate a response. Learn more about built-in tools.
  - asFunction
```
 final ToolChoiceFunction asFunction()
```
    Use this option to force the model to call a specific function.
  - asMcp
```
 final ToolChoiceMcp asMcp()
```
    Use this option to force the model to call a specific tool on a remote MCP server.
  - asCustom
```
 final ToolChoiceCustom asCustom()
```
    Use this option to force the model to call a specific custom tool.
  - _json
```
 final Optional<JsonValue> _json()
```
  - accept
```
 final <T extends Any> T accept(InputTokenCountParams.ToolChoice.Visitor<T> visitor)
```
  - validate
```
 final InputTokenCountParams.ToolChoice validate()
```
  - isValid
```
 final Boolean isValid()
```
  - equals
```
 Boolean equals(Object other)
```
  - hashCode
```
 Integer hashCode()
```
  - toString
```
 String toString()
```
  - ofOptions
```
 final static InputTokenCountParams.ToolChoice ofOptions(ToolChoiceOptions options)
```
    Controls which (if any) tool is called by the model.
    none means the model will not call any tool and instead generates a message.
    auto means the model can pick between generating a message or calling one or more tools.
    required means the model must call one or more tools.
  - ofAllowed
```
 final static InputTokenCountParams.ToolChoice ofAllowed(ToolChoiceAllowed allowed)
```
    Constrains the tools available to the model to a pre-defined set.
  - ofTypes
```
 final static InputTokenCountParams.ToolChoice ofTypes(ToolChoiceTypes types)
```
    Indicates that the model should use a built-in tool to generate a response. Learn more about built-in tools.
  - ofFunction
```
 final static InputTokenCountParams.ToolChoice ofFunction(ToolChoiceFunction function)
```
    Use this option to force the model to call a specific function.
  - ofMcp
```
 final static InputTokenCountParams.ToolChoice ofMcp(ToolChoiceMcp mcp)
```
    Use this option to force the model to call a specific tool on a remote MCP server.
  - ofCustom
```
 final static InputTokenCountParams.ToolChoice ofCustom(ToolChoiceCustom custom)
```
    Use this option to force the model to call a specific custom tool.

Class InputTokenCountParams.ToolChoice

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Method Detail

options

allowed

types

function

mcp

custom

isOptions

isAllowed

isTypes

isFunction

isMcp

isCustom

asOptions

asAllowed

asTypes

asFunction

asMcp

asCustom

_json

accept

validate

isValid

equals

hashCode

toString

ofOptions

ofAllowed

ofTypes

ofFunction

ofMcp

ofCustom