Struct WorkflowBuilder 

pub struct WorkflowBuilder { /* private fields */ }

Builder for constructing workflows

Implementations

impl WorkflowBuilder

pub fn new(name: impl Into<String>) -> Self

Create a new workflow builder

pub fn description(self, description: impl Into<String>) -> Self

Set the workflow description

pub fn version(self, version: impl Into<String>) -> Self

Set the workflow version

pub fn tag(self, tag: impl Into<String>) -> Self

Add a tag to the workflow

pub fn tags(self, tags: Vec<String>) -> Self

Add multiple tags to the workflow

pub fn start(self, name: impl Into<String>) -> Self

Add a start node

pub fn end(self, name: impl Into<String>) -> Self

Add an end node

pub fn llm(self, name: impl Into<String>, config: LlmConfig) -> Self

Add an LLM node

pub fn code(self, name: impl Into<String>, config: ScriptConfig) -> Self

Add a code execution node

pub fn retriever(self, name: impl Into<String>, config: VectorConfig) -> Self

Add a retriever (vector search) node

pub fn if_else(self, name: impl Into<String>, condition: Condition) -> Self

Add an if-else conditional node

pub fn tool(self, name: impl Into<String>, config: McpConfig) -> Self

Add a tool (MCP) node

pub fn loop_node(self, name: impl Into<String>, config: LoopConfig) -> Self

Add a loop node

pub fn try_catch(self, name: impl Into<String>, config: TryCatchConfig) -> Self

Add a try-catch node

pub fn sub_workflow( self, name: impl Into<String>, config: SubWorkflowConfig, ) -> Self

Add a sub-workflow node

pub fn switch(self, name: impl Into<String>, config: SwitchConfig) -> Self

Add a switch node

pub fn parallel(self, name: impl Into<String>, config: ParallelConfig) -> Self

Add a parallel execution node

pub fn approval(self, name: impl Into<String>, config: ApprovalConfig) -> Self

Add an approval node

pub fn form(self, name: impl Into<String>, config: FormConfig) -> Self

Add a form input node

pub fn node(self, node: Node) -> Self

Add a custom node (low-level API)

pub fn connect(self, from_index: usize, to_index: usize) -> Self

Add an edge between two nodes by their indices (0-based)

pub fn connect_ids(self, from_id: NodeId, to_id: NodeId) -> Self

Add an edge between two nodes by their IDs

pub fn last_node_id(&self) -> Option<NodeId>

Get the ID of the last added node

pub fn node_id_at(&self, index: usize) -> Option<NodeId>

Get the ID of a node by its index (0-based)

pub fn build(self) -> Workflow

Build the workflow