AI Docs
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Class References
Function References
- text
- textOptions
- combineStrategies
- convertMessagesToModelMessages
- convertZodToJsonSchema
- createReplayStream
- embedding
- generateMessageId
- maxIterations
- messages
- modelMessageToUIMessage
- modelMessagesToUIMessages
- normalizeToUIMessage
- parsePartialJSON
- summarize
- toServerSentEventsStream
- toServerSentEventsResponse
- toolDefinition
- uiMessageToModelMessages
- realtimeToken
- untilFinishReason
Interface References
- AIAdapter
- AIAdapterConfig
- AgentLoopState
- AudioPart
- AudioVisualization
- BaseStreamChunk
- TextCompletionChunk
- TextOptions
- ChunkRecording
- ChunkStrategy
- ClientTool
- ContentPartSource
- ContentStreamChunk
- DefaultMessageMetadataByModality
- DocumentPart
- DoneStreamChunk
- EmbeddingOptions
- EmbeddingResult
- ErrorStreamChunk
- ImagePart
- InternalToolCallState
- JSONParser
- ModelMessage
- ProcessorResult
- ProcessorState
- RealtimeAdapter
- RealtimeClientOptions
- RealtimeConnection
- RealtimeMessage
- RealtimeSessionConfig
- RealtimeToken
- RealtimeTokenAdapter
- RealtimeTokenOptions
- ResponseFormat
- ServerTool
- StreamProcessorEvents
- StreamProcessorHandlers
- StreamProcessorOptions
- SummarizationOptions
- SummarizationResult
- TextPart
- ThinkingPart
- ThinkingStreamChunk
- Tool
- ToolCall
- ToolCallPart
- ToolCallStreamChunk
- ToolConfig
- ToolDefinition
- ToolDefinitionConfig
- ToolDefinitionInstance
- ToolInputAvailableStreamChunk
- ToolResultPart
- ToolResultStreamChunk
- UIMessage
- VideoPart
Type Alias References
- AgentLoopStrategy
- AnyClientTool
- TextStreamOptionsForModel
- TextStreamOptionsUnion
- ConstrainedContent
- ConstrainedModelMessage
- ContentPart
- ContentPartForModalities
- ExtractModalitiesForModel
- ExtractModelsFromAdapter
- InferToolInput
- InferToolName
- InferToolOutput
- MessagePart
- RealtimeEvent
- RealtimeMessagePart
- RealtimeMode
- RealtimeStatus
- ModalitiesArrayToUnion
- Modality
- StreamChunk
- ToolCallState
- ToolResultState
Variable References
AI/LLM: This documentation page is available in plain markdown format at/ai/latest/docs/reference/functions/boolean.md
boolean
ts
function boolean(options):
| {
criteria?: undefined;
instructions: EvaluateJsonValue;
type: "noul";
}
| {
criteria: {
false?: string;
true?: string;
};
instructions: EvaluateJsonValue;
type: "noul";
};Defined in: packages/ai/src/activities/evaluate/index.ts:424
Build a yes/no question.
.value is true when P(true) is 0.5 or more. There is no .confidence. On the wire, the type is TypeSafe noul.
Parameters#
options#
criteria?#
{ false?: string; true?: string; }
Optional descriptions of yes and no.
criteria.false?#
string
criteria.true?#
string
instructions#
EvaluateJsonValue
The yes/no question to judge.
Returns#
| { criteria?: undefined; instructions: EvaluateJsonValue; type: "noul"; } | { criteria: { false?: string; true?: string; }; instructions: EvaluateJsonValue; type: "noul"; }
Example#
ts
const refund = boolean({
instructions: 'Is the customer asking for a refund?',
})