A declared hook action that carries no command — prompt, http, mcp_tool or agent. Real, supported actions; simply not shell processes, so no tier that drives a shell can measure one.
prompt
http
mcp_tool
agent
Readonly
The event it registers under.
The tool/path matcher of the entry it sits in, or null.
null
Its declared type, e.g. "prompt". Never "command".
type
"prompt"
"command"
A declared hook action that carries no command —
prompt,http,mcp_tooloragent. Real, supported actions; simply not shell processes, so no tier that drives a shell can measure one.