{"id":"frontend.yui--AppendYuiCoreActionDisplayItem","name":"AppendYuiCoreActionDisplayItem","owner":"yeho","package":"frontend.yui","kind":"function","signature":"external AppendYuiCoreActionDisplayItem(yuiDisplayList display, yuiCoreControlCatalog catalog, yuiCoreActionRenderMetrics metrics, yuiCoreActionRenderItem item) returns yuiDisplayList","description":"Append yui core action display item.","context":"Turn YUI models into a working frontend and its rendering/input adapters.","parameters":[{"name":"display","type":"yuiDisplayList","description":"Supply display as yuiDisplayList."},{"name":"catalog","type":"yuiCoreControlCatalog","description":"Supply catalog as yuiCoreControlCatalog."},{"name":"metrics","type":"yuiCoreActionRenderMetrics","description":"Supply metrics as yuiCoreActionRenderMetrics."},{"name":"item","type":"yuiCoreActionRenderItem","description":"Supply item as yuiCoreActionRenderItem."}],"returns":"yuiDisplayList","members":[],"tags":["cpu","frontend","frontend.yui","function","source-example","yeho","yui"],"updated":"2026-09-09","source":{"repository":"yeho","path":"packages/frontend/yui/controls-render-display_list.yh","line":421,"sha256":"25cf914848de80a2db443aafe9ea47b3e74dac4cf6827f04fbbec1cbe5141087"},"status":"source-declared","notes":["Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup."],"examples":[{"id":"usage","title":"Use AppendYuiCoreActionDisplayItem","description":"A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.","code":"using frontend.yui\n\n// Turn YUI models into a working frontend and its rendering/input adapters.\nyuiDisplayList display = yuiDisplayList(\"surface Id\")\nyuiCoreControlCatalog catalog = yuiCoreControlCatalog()\nyuiCoreActionRenderMetrics metrics = yuiCoreActionRenderMetrics(\"density\", 1, 1, 1, 1, 1, 1, \"diagnostic\")\nyuiCoreActionRenderItem item = yuiCoreActionRenderItem(\"owner Id\", \"kind\", \"state\", \"Player health\", \"icon\", yuiRenderBounds(1, 1, 1, 1), \"clip Id\", \"layer Id\", \"focus Layer Id\", \"target Id\")\nyuiDisplayList result = AppendYuiCoreActionDisplayItem(display, catalog, metrics, item)\nConsole.Log(\"Inspect result in your debugger\")\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.frontend_yui__appendyuicoreactiondisplayitem\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n\n[[dependencies]]\npackage = \"frontend.yui\"\nversion = \"0.2.0\"\npath = \"../../../yeho/packages/frontend/yui\"\n\n[[dependencies]]\npackage = \"graphics.canvas\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/canvas\"\n\n[[dependencies]]\npackage = \"graphics.image\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/image\"\n\n[[dependencies]]\npackage = \"graphics.image.processing\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/image/processing\"\n\n[[dependencies]]\npackage = \"graphics.text\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/text\"\n\n[[dependencies]]\npackage = \"host.ui_services\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/host/ui_services\"\n\n[[dependencies]]\npackage = \"input.text\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/input/text\"\n\n[[dependencies]]\npackage = \"ui\"\nversion = \"0.2.0\"\npath = \"../../../yeho/packages/ui\"\n","tags":["cpu","source-example"],"verification":"type checked","run":"cpu-oracle","sha256":"05303387c9f2a74c7a534c94908222ade48b1ee37faa1a7c877704460ab4712e","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=frontend.yui--AppendYuiCoreActionDisplayItem","json":"https://demonhunterlabs.com/reference/items/frontend.yui--AppendYuiCoreActionDisplayItem.json","markdown":"https://demonhunterlabs.com/reference/text/frontend.yui--AppendYuiCoreActionDisplayItem.md"}