DirectoryAdded API

Available when inheriting from ClaudeHooks::DirectoryAdded:

Runs after a working directory is added mid-session via /add-dir or the SDK register_repo_root control request. Non-blocking — the directory is already added when the hook runs.

Input Helpers

📚 Shared input helpers

Method	Description
directory	Absolute path of the directory that was added
source	How the directory was added: 'slash_command' for /add-dir or 'register_repo_root' for the SDK control request

Hook State Helpers

📚 Shared hook state methods

Method	Description
system_message!	Set a message delivered to Claude as context on the next turn (slash_command) or written to the debug log (register_repo_root)

Output Helpers

📚 Shared output helpers

Method	Description
output.system_message	The configured system message

Hook Exit Codes

Non-blocking. Exit code is ignored; only systemMessage is consumed.