ptrStr safely dereferences a *string, returning "" if nil.

setToolResultContent updates the tool result content in a message. For *schema.Message: sets msg.Content or msg.UserInputMultiContent. For *schema.Age

strPtr returns a pointer to s, or nil if s is empty.

withFailoverHasMoreAttempts sets a flag in context indicating whether additional failover attempts remain after the current one. This is read by build

AgenticMessagesPlaceholder can render a placeholder to a list of agentic messages in params. e.g. placeholder := AgenticMessagesPlaceholder("history

AgenticPrompt sets the agentic prompt handler for the handler helper, which will be called when the agentic prompt component is executed.

AgenticToolsNode sets the agentic tools node handler for the handler helper, which will be called when the agentic tools node is executed.

AnyLambda creates a Lambda with any lambda function. you can only implement one or more of the four lambda functions, and the rest use nil. eg. invo

AppendPassthrough add a Passthrough node to the chain. Could be used to connect multiple ChainBranch or Parallel. e.g. chain.AppendPassthrough()

BatchResumeWithData is the core function for preparing a resume context. It injects a map of resume targets and their corresponding data into the cont

ConcatResponseMetaExtensions concatenates multiple ResponseMetaExtension chunks into a single one.

ConcatResponseMetaExtensions concatenates multiple ResponseMetaExtension chunks into a single one.

ConvAgenticCallbackInput converts the callback input to the agentic prompt callback input.

Delete removes a file from storage.

EXPECT returns an object that allows the caller to indicate expected use.

FromAgenticMessages creates a new DefaultAgenticChatTemplate from the given templates and format type. eg. template := prompt.FromAgenticMessages(sc

Generate runs the multi-agent synchronously and returns the final message.

HostNodeKey returns the graph node key used for the host agent.

InferStreamTool creates a [tool.StreamableTool] by inferring the parameter JSON schema from type T. The function returns a [schema.StreamReader] of D

IsCallbacksEnabled reports whether a component implements Checker and enables callbacks.

LsInfo lists file information under the given path. Returns: - []FileInfo: List of matching file information - error: Error if the operation fails

Map applies function f to each key and value of map m. Results of f are returned as a new map. 🚀 EXAMPLE: f := func(k, v int) (string, string) { re

MergeStreamReaders fans in multiple StreamReaders into a single StreamReader. Elements from all source streams are interleaved in arrival order (non-d

New creates a summarization middleware that automatically summarizes conversation history when trigger conditions are met.

NewBreakLoopAction creates a new BreakLoopAction, signaling a request to terminate the current loop. NOT RECOMMENDED: Workflow agents are built on ag

NewExtParser creates a new ExtParser.

NewInterruptAndRerunErr creates a legacy interrupt-and-rerun error. Deprecated: prefer Interrupt(ctx, info) or StatefulInterrupt(ctx, info, state). If

NewMockEmbedder creates a new mock instance.

NewMockRetriever creates a new mock instance.

NewParamsOneOfByJSONSchema creates a ParamsOneOf with *jsonschema.Schema.

OnEndWithStreamOutputFn sets the callback invoked when a component produces streaming output. Like OnStartWithStreamInputFn, the handler receives a pr

PreserveSkills preserves skill contents loaded by the ADK skill middleware. It scans the conversation for matching skill tool calls and returns the pr

RejectReason returns the user-defined rejection reason set by the ShouldRetry callback via RetryDecision.RejectReason. Returns nil if not set or after

Resume prepares a context for an "Explicit Targeted Resume" operation by targeting one or more components without providing data. It is a convenience

SendEvent sends a custom AgentEvent to the event stream during agent execution. This allows ChatModelAgentMiddleware implementations to emit custom ev

String returns the string representation of AgenticMessage.

Tool sets the tool handler for the handler helper, which will be called when the tool component is executed.

TypedStatefulInterrupt creates a typed interrupt event that also saves the agent's internal state. It is the generic counterpart of StatefulInterrupt;

WithGraceful requests a graceful stop that waits at the nearest safe point (after tool calls or after a chat-model call) and propagates recursively to

WithModel is the option to set the model name.

WithRuntimeMaxSteps sets the maximum number of steps for the graph runtime. e.g. runnable.Invoke(ctx, "input", compose.WithRuntimeMaxSteps(20))

WithSerializer sets the serializer used to persist checkpoint state.

WithSessionValues sets session-scoped values for the agent run.

WithToolChoice sets the tool choice for the model. It also allows for providing a list of tool names to constrain the model to a specific subset of th

WithTools is a convenience function that configures a React agent with a list of tools. It performs two essential operations: 1. Extracts tool informa