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6 pages for messagedisplay.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Intercept and control agent behavior with hooks
Claude Code CLI · in the page
agent-sdk/hooks
…| | `MessageDisplay` | No | Yes | An assistant message with text completes, on…
Agent SDK reference - TypeScript
Claude Code CLI · in the page
agent-sdk/typescript
…ove" | "InstructionsLoaded" | "CwdChanged" | "FileChanged" | "MessageDisplay"; ``` ### `HookCallback` Hook callback function type. ```typescript theme={null} type HookCallback = ( input:…
Hooks reference
Claude Code CLI · in the page
hooks
…nged, FileChanged, and DirectoryAdded as standalone async events, and MessageDisplay as a display-only event that runs while assistant message text streams" width="520" height="1228" data-path="images…
Automate actions with hooks
Claude Code CLI · in the page
hooks-guide
…| | `MessageDisplay` | While assistant message text is displayed…
Plugins reference
Claude Code CLI · in the page
plugins-reference
…| | `MessageDisplay` | While assistant message text is displayed…
Week 22 · May 25–29, 2026
Claude Code CLI · in the page
whats-new/2026-w22
…ols from the model while the skill is active</div> <div>New <code>MessageDisplay</code> hook event lets hooks transform or hide assistant message text as it is displayed</div> <div>Claude Code…