LangChain - LangGraph for Stateful Agents
Which of the following is the correct way to add a human feedback node in a LangGraph flow?
Which of the following is the correct way to add a human feedback node in a LangGraph flow?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall LangGraph syntax for adding nodes
LangGraph uses flow.add_node() method to add nodes, including human nodes.Step 2: Identify correct human node creation
HumanNode is the class representing human feedback nodes, so flow.add_node(HumanNode(name='review')) is correct.Final Answer:
flow.add_node(HumanNode(name='review')) -> Option CQuick Check:
Use add_node with HumanNode class [OK]
Quick Trick: Use add_node with HumanNode to add human steps [OK]
Common Mistakes:
MISTAKES- Using non-existent methods like add_human or insert_human_node
- Forgetting to instantiate HumanNode class
- Passing string directly without node wrapper
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