ui.log
A Claude Code settings key, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Plugins can install code that intercepts tool calls and repaints parts of the terminal interface.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.242.
In the changelogs
7Releases whose published page names ui.log.
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v2.1.304
Claude Test gains two more interface actions
Claude Test's list of interface actions now includes
ui.openandui.resolve, alongsideui.logandui.toastfound in this entry's text
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v2.1.299
Plugin hook modules get more events and organization policy limits
Plugin hook modules can respond to more events, while plugins people install themselves face limits where an organization manages Claude Code
found in this entry's text
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v2.1.299
Plugins gain entries for logging and environment variables
The plugin runtime's list next to tool.register and tool.list now also includes ui.log, env.get and env.set
found in this entry's text
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v2.1.290
Plugins now get a notice when their text is cut short
Over-long plugin text is now shortened with an ellipsis and a notice, and long tool descriptions are cut instead of rejected
found in this entry's text
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v2.1.277
Plugin hook dispatch deep-copies input for a fixed set of UI/registration events
Plugin hooks now receive a deep copy of the event payload for UI and registration events, not the original
found in this entry's text
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v2.1.275
Plugin API: ui.log gains a
todestination fieldPlugin ui.log gains a to field to route output to the transcript or a debug-only log
named in this entry, found in this entry's text
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v2.1.242
Plugin modules with a
$API that can hook events and redraw the terminal UIPlugins can install code that intercepts tool calls and repaints parts of the terminal interface.
found in this entry's text
First cited
0No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the settings key does. All settings keys.