DecisionLanguageModel

Namespace: Vercel.AI.Operations

public sealed class DecisionLanguageModel : IEvaluationDecisionCaller, IDecisionCaller, IEvaluationCaller

Adapts structured language-model output to Choice, Score, and Boolean decisions. Maps to DecisionLanguageModel.

Inheritance: object

Implements: IEvaluationDecisionCaller, IDecisionCaller, IEvaluationCaller

View source

Constructors

DecisionLanguageModel(ILanguageModel, string?)

public DecisionLanguageModel(ILanguageModel model, string? provider = null)

Wraps a language model. The provider id defaults to {model.Provider}.decision.

Parameters

Name	Type	Description
`model`	ILanguageModel
`provider`	string

View source

Properties

ModelId

public string ModelId { get; }

Model id.

Value: string

View source

Provider

public string Provider { get; }

Provider id.

Value: string

View source

SpecificationVersion

public string SpecificationVersion { get; }

Specification version. Only v4 is accepted.

Value: string

View source

SupportedQuestionTypes

public IReadOnlyList<string> SupportedQuestionTypes { get; }

Question types this model can answer.

Value: IReadOnlyList<string>

View source

Methods

Deserialize(DecisionLanguageModelOptions)

public static DecisionLanguageModel Deserialize(DecisionLanguageModelOptions options)

Restores a model from Serialize(DecisionLanguageModel). Maps to [WORKFLOW_DESERIALIZE].

Parameters

Name	Type	Description
`options`	DecisionLanguageModelOptions

Returns: DecisionLanguageModel

View source

DoDecideAsync(DecisionModelCall, CancellationToken)

public Task<DecisionModelResult> DoDecideAsync(DecisionModelCall call, CancellationToken cancellationToken = default)

Answers every question with one structured-output model call.

Parameters

Name	Type	Description
`call`	DecisionModelCall
`cancellationToken`	CancellationToken

Returns: Task<DecisionModelResult>

View source

DoEvaluateAsync(EvaluationModelCall, CancellationToken)

[Obsolete("Use DoDecideAsync instead.")]
public Task<EvaluationModelResult> DoEvaluateAsync(EvaluationModelCall call, CancellationToken cancellationToken)

Deprecated. Use CancellationToken).

Parameters

Name	Type	Description
`call`	EvaluationModelCall
`cancellationToken`	CancellationToken

Returns: Task<EvaluationModelResult>

View source

Serialize(DecisionLanguageModel)

public static DecisionLanguageModelOptions Serialize(DecisionLanguageModel model)

Serializes the wrapped model and the provider id for a workflow boundary. Maps to [WORKFLOW_SERIALIZE].

Parameters

Name	Type	Description
`model`	DecisionLanguageModel

Returns: DecisionLanguageModelOptions

View source