Update API doc

apps/showcase/doc/common/apidoc/index.json

@@ -13653,6 +13653,22 @@
                             "default": "false",
                             "description": "Whether background scroll should be blocked when dialog is visible."
                         },
+                        {
+                            "name": "appendTo",
+                            "optional": true,
+                            "readonly": false,
+                            "type": "HTMLElement | HintedString<\"body\" | \"self\">",
+                            "default": "body",
+                            "description": "A valid query selector or an HTMLElement to specify where the confirm dialog gets attached.\nSpecial keywords are 'body' for document body and 'self' for the element itself."
+                        },
+                        {
+                            "name": "modal",
+                            "optional": true,
+                            "readonly": false,
+                            "type": "boolean",
+                            "default": "false",
+                            "description": "Defines if background should be blocked when confirm dialog is displayed."
+                        },
                         {
                             "name": "accept",
                             "optional": true,