{"id":"ui--IsYuiRetainedInvalidationScope","name":"IsYuiRetainedInvalidationScope","owner":"yeho","package":"ui","kind":"function","signature":"external IsYuiRetainedInvalidationScope(text scope) returns bool","description":"Is yui retained invalidation scope.","context":"Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.","parameters":[{"name":"scope","type":"text","description":"Supply scope as text."}],"returns":"bool","members":[],"tags":["cpu","function","source-example","ui","yeho"],"updated":"2026-09-09","source":{"repository":"yeho","path":"packages/ui/render-50-retained-fragments.yh","line":72,"sha256":"1062403654e37b95d0b190990ad54290638b64d047aa164ee82220bd91ac0674"},"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 IsYuiRetainedInvalidationScope","description":"A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.","code":"using ui\n\n// Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.\ntext scope = \"scope\"\nbool result = IsYuiRetainedInvalidationScope(scope)\nConsole.Log(Text.From(result))\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.ui__isyuiretainedinvalidationscope\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n\n[[dependencies]]\npackage = \"graphics.image\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/image\"\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 = \"ui\"\nversion = \"0.2.0\"\npath = \"../../../yeho/packages/ui\"\n","tags":["cpu","source-example"],"verification":"type checked","run":"cpu-oracle","sha256":"93d974137efe0fa4fcb76df9bf80c7b513c01865e8d1a38d8b32d094abd02961","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=ui--IsYuiRetainedInvalidationScope","json":"https://demonhunterlabs.com/reference/items/ui--IsYuiRetainedInvalidationScope.json","markdown":"https://demonhunterlabs.com/reference/text/ui--IsYuiRetainedInvalidationScope.md"}