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ADK Workflow Routing Sample
Overview
This sample demonstrates how to use routing in ADK Workflows.
It takes user input and uses an LLM node to categorize it as a question, a statement, or other. Based on the classification, it appropriately routes the execution to a specialized agent or function to handle that specific type of input.
In ADK Workflows, routing allows conditionally executing different execution paths based on the output of a previous node.
Sample Inputs
-
What is the capital of France? -
The weather is very nice today. -
Translate bonjour to english
Graph
graph TD
START --> process_input
process_input --> classify_input
classify_input --> route_on_category
route_on_category -->|question| answer_question
route_on_category -->|statement| comment_on_statement
route_on_category -->|other| handle_other
How To
-
A node (agent or function) yields an
Eventwith a specific route name:yield Event(route="your_route_name") -
In the
Workflowedges definition, conditional edges are constructed using a routing map dict as the second element of the edge tuple:(source_node, {"your_route_name": target_node})