{"id":"runtime--Keyboard.IsDown","name":"Keyboard.IsDown","owner":"yeho","package":"runtime.Keyboard","kind":"builtin","signature":"Keyboard.IsDown(text key) -> bool","description":"Is down through the Keyboard runtime.","context":"Built into Yeho; no package import is needed. Native services require an admitted host and the correct resource lifecycle.","parameters":[{"name":"key","type":"text","description":"Supply key as text.","rule":"Text"}],"returns":"bool","members":[],"tags":["builtin","cpu","keyboard","yeho"],"updated":"2026-09-09","source":{"repository":"yeho","path":"src/compiler/common/intrinsic_registry.cpp","line":1375,"sha256":"14d29529d2d3c0e2b587f83c7f125b99ada142ed7ae28612701ea6cb9174ac65"},"status":"registered-intrinsic","notes":["The example checks the call shape. Opening windows, recording audio, changing files, network operations, and process operations have real effects when run. Follow the corresponding package lifecycle before using live resources."],"examples":[{"id":"usage","title":"Call Keyboard.IsDown","description":"A complete typed caller with illustrative arguments. Native operations need the corresponding host and resources.","code":"text key = \"key\"\nbool result = Keyboard.IsDown(key)\nConsole.Log(Text.From(result))\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.runtime__keyboard_isdown\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n","tags":["cpu","builtin"],"run":"cpu-oracle","verification":"type checked","sha256":"63e7204e5418045cd967efb0d7b16f7b2e91645a8b00e06dbf90fe41ef4c4b29","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=runtime--Keyboard.IsDown","json":"https://demonhunterlabs.com/reference/items/runtime--Keyboard.IsDown.json","markdown":"https://demonhunterlabs.com/reference/text/runtime--Keyboard.IsDown.md"}