{"name":"CLAUDE_CODE_SESSION_LOG","slug":"claude-code-session-log","family":"env","title":"Environment variables","noun":"environment variable","description":"Path recorded as `logPath` in the session's entry in Claude Code's concurrent sessions registry (the per-process pid file).","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.138","removed_in":null,"in_current_build":true,"newest_mined":"2.1.308","builds":149,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_CODE_SESSION_","slug":"claude-code-session","description":"Two env vars let background dispatchers inherit your plan and rate tier without an API call."},{"name":"CLAUDE_CODE_SESSION_ACCESS_TOKEN","slug":"claude-code-session-access-token","description":"Remote settings can now supply many more environment variables, including auth tokens and home directory paths."},{"name":"CLAUDE_CODE_SESSION_ATTENDED","slug":"claude-code-session-attended","description":"A new CLAUDE_CODE_SESSION_ATTENDED environment variable tells child processes whether the parent session is interactive"},{"name":"CLAUDE_CODE_SESSION_ID","slug":"claude-code-session-id","description":"Skills from your claude.ai account can load as a source, but only if you set the sync env var."},{"name":"CLAUDE_CODE_SESSION_KIND","slug":"claude-code-session-kind","description":"You get a one-time warning line if a query names a model Claude Code does not recognise."},{"name":"CLAUDE_CODE_SESSION_NAME","slug":"claude-code-session-name","description":"A blank CLAUDE_CODE_SESSION_NAME now falls back to the directory-derived name."},{"name":"CLAUDE_CODE_SESSION_ORIGIN","slug":"claude-code-session-origin","description":"A new CLAUDE_CODE_SESSION_ORIGIN environment variable is read and passed through to spawned subsessions."},{"name":"CLAUDE_CODE_SESSION_START_ANNOUNCEMENTS_BEFORE_PROMPT","slug":"claude-code-session-start-announcements-before-prompt","description":"A new env var lets session-start announcements be placed before the closing line in headless runs"},{"name":"CLAUDE_CODE_SESSIONEND_HOOKS_TIMEOUT_MS","slug":"claude-code-sessionend-hooks-timeout-ms","description":"Nonsense values in retry, MCP output and hook timeout env vars now fall back to defaults."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-session-log","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}