AI Docs
API
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/type-aliases/Capability.md
Capability
ts
type Capability<TValue, TName> = readonly [CapabilityGetter<TValue>, CapabilityProvider<TValue>] & object;Defined in: packages/ai/src/activities/chat/middleware/capabilities.ts:36
A capability handle. It is BOTH a [get, provide] tuple (array-destructurable) AND the identity used in middleware requires/provides declarations.
Runtime identity is this object's reference. The capabilityName literal is used for diagnostics and COMPILE-TIME tracking only — capability names MUST be unique across an app or the type-level coverage check conflates them.
Type Declaration#
capabilityName#
ts
readonly capabilityName: TName;has#
ts
has: (ctx) => boolean;Internal
Presence check for the post-setup assertion.
Parameters#
ctx#
Returns#
boolean
Type Parameters#
TValue#
TValue = unknown
TName#
TName extends string = string