NoSuchToolError

Namespace: Vercel.AI.Util

public sealed class NoSuchToolError : AiSdkError, ISerializable, IErrorMarkers

The model called a tool that is not available. Maps to NoSuchToolError.

Inheritance: object → Exception → AiSdkError

Implements: ISerializable, IErrorMarkers

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Constructors

NoSuchToolError(string, IReadOnlyList<string>?, string?)

public NoSuchToolError(string toolName, IReadOnlyList<string>? availableTools = null, string? message = null)

Creates the error. <code class=“paramref”>message</code> defaults to the upstream format.

Parameters

Name	Type	Description
toolName	string
availableTools	IReadOnlyList<string>
message	string

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Fields

ErrorMarker

public const string ErrorMarker = "vercel.ai.error.AI_NoSuchToolError"

Marker for IsInstance(object).

Value: string

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Properties

AvailableTools

public IReadOnlyList<string>? AvailableTools { get; }

Names of the available tools, or null when no tools were set.

Value: IReadOnlyList<string>

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ToolName

public string ToolName { get; }

Name of the tool that was called.

Value: string

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Methods

IsInstance(object?)

public static bool IsInstance(object? error)

Returns whether <code class=“paramref”>error</code> carries this error’s marker.

Parameters

Name	Type	Description
error	object

Returns: bool

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