langchain Architecture Docs
Home / Function/ before_agent() — langchain Function Reference

before_agent() — langchain Function Reference

Architecture documentation for the before_agent() function in types.py from the langchain codebase.

Function python LangChainCore Runnables calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  6caeccd5_e24d_f046_a907_383ed9da89d9["before_agent()"]
  11af10c7_4150_b78c_f01b_9e5dfc840a42["types.py"]
  6caeccd5_e24d_f046_a907_383ed9da89d9 -->|defined in| 11af10c7_4150_b78c_f01b_9e5dfc840a42
  1962db8c_8abd_47e2_33b1_7245abf9c4ae["before_agent()"]
  1962db8c_8abd_47e2_33b1_7245abf9c4ae -->|calls| 6caeccd5_e24d_f046_a907_383ed9da89d9
  1962db8c_8abd_47e2_33b1_7245abf9c4ae["before_agent()"]
  6caeccd5_e24d_f046_a907_383ed9da89d9 -->|calls| 1962db8c_8abd_47e2_33b1_7245abf9c4ae
  style 6caeccd5_e24d_f046_a907_383ed9da89d9 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/types.py lines 1239–1241

def before_agent(
    func: _CallableWithStateAndRuntime[StateT, ContextT],
) -> AgentMiddleware[StateT, ContextT]: ...

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does before_agent() do?
before_agent() is a function in the langchain codebase, defined in libs/langchain_v1/langchain/agents/middleware/types.py.
Where is before_agent() defined?
before_agent() is defined in libs/langchain_v1/langchain/agents/middleware/types.py at line 1239.
What does before_agent() call?
before_agent() calls 1 function(s): before_agent.
What calls before_agent()?
before_agent() is called by 1 function(s): before_agent.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free