diff --git a/tests/app/application-settings.md b/tests/app/application-settings.md
index 9b1df32ef..2715d6065 100644
--- a/tests/app/application-settings.md
+++ b/tests/app/application-settings.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "application-settings How-To"
 title: "application-settings"
+environment: nativescript
 description: "Examples for using application-settings"
 previous_url: /ApiReference/application-settings/HOW-TO
 ---
diff --git a/tests/app/application.md b/tests/app/application.md
index 9795a102a..5d5c5f6ad 100644
--- a/tests/app/application.md
+++ b/tests/app/application.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "application How-To"
 title: "application"
+environment: nativescript
 description: "Examples for using application"
 previous_url: /ApiReference/application/HOW-TO
 ---
diff --git a/tests/app/camera.md b/tests/app/camera.md
index 34f1aa89e..f2fc5ed96 100644
--- a/tests/app/camera.md
+++ b/tests/app/camera.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "camera How-To"
 title: "camera"
+environment: nativescript
 description: "Examples for using camera"
 previous_url: /ApiReference/camera/HOW-TO
 ---
diff --git a/tests/app/color.md b/tests/app/color.md
index b738ae157..c0a8392d2 100644
--- a/tests/app/color.md
+++ b/tests/app/color.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "color How-To"
 title: "color"
+environment: nativescript
 description: "Examples for using color"
 previous_url: /ApiReference/color/HOW-TO
 ---
diff --git a/tests/app/connectivity.md b/tests/app/connectivity.md
index 3e9518f03..ddc259cbf 100644
--- a/tests/app/connectivity.md
+++ b/tests/app/connectivity.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "connectivity How-To"
 title: "connectivity"
+environment: nativescript
 description: "Examples for using connectivity"
 previous_url: /ApiReference/connectivity/HOW-TO
 ---
diff --git a/tests/app/console.md b/tests/app/console.md
index bbcdcd698..642312d5c 100644
--- a/tests/app/console.md
+++ b/tests/app/console.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "console How-To"
 title: "console"
+environment: nativescript
 description: "Examples for using console"
 previous_url: /ApiReference/console/HOW-TO
 ---
diff --git a/tests/app/data/observable-array.md b/tests/app/data/observable-array.md
index 45ce86e19..a12aee7a9 100644
--- a/tests/app/data/observable-array.md
+++ b/tests/app/data/observable-array.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "observable-array How-To"
 title: "observable-array"
+environment: nativescript
 description: "Examples for using observable-array"
 previous_url: /ApiReference/data/observable-array/HOW-TO
 ---
diff --git a/tests/app/data/observable.md b/tests/app/data/observable.md
index b1b7d0558..2fa765b3f 100644
--- a/tests/app/data/observable.md
+++ b/tests/app/data/observable.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "data/observable How-To"
 title: "observable"
+environment: nativescript
 description: "Examples for using data/observable"
 previous_url: /ApiReference/data/observable/HOW-TO
 ---
diff --git a/tests/app/data/virtual-array.md b/tests/app/data/virtual-array.md
index b9a13c266..359313f3f 100644
--- a/tests/app/data/virtual-array.md
+++ b/tests/app/data/virtual-array.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "virtual-array How-To"
 title: "virtual-array"
+environment: nativescript
 description: "Examples for using virtual-array"
 previous_url: /ApiReference/data/virtual-array/HOW-TO
 ---
diff --git a/tests/app/fetch.md b/tests/app/fetch.md
index eaf8c1099..bbad31c1f 100644
--- a/tests/app/fetch.md
+++ b/tests/app/fetch.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "fetch How-To"
 title: "fetch"
+environment: nativescript
 description: "Examples for using fetch"
 previous_url: /ApiReference/fetch/HOW-TO
 ---
diff --git a/tests/app/file-system.md b/tests/app/file-system.md
index edcd0d159..12be983b5 100644
--- a/tests/app/file-system.md
+++ b/tests/app/file-system.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "file-system How-To"
 title: "file-system"
+environment: nativescript
 description: "Examples for using file-system"
 previous_url: /ApiReference/file-system/HOW-TO
 ---
diff --git a/tests/app/fps-meter.md b/tests/app/fps-meter.md
index 04066597c..4c2692e0a 100644
--- a/tests/app/fps-meter.md
+++ b/tests/app/fps-meter.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "fps-meter How-To"
 title: "fps-meter"
+environment: nativescript
 description: "Examples for using fps-meter"
 previous_url: /ApiReference/fps-meter/HOW-TO
 ---
diff --git a/tests/app/http.md b/tests/app/http.md
index fb6fd0fd1..22245a2a5 100644
--- a/tests/app/http.md
+++ b/tests/app/http.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "http How-To"
 title: "http"
+environment: nativescript
 description: "Examples for using http"
 previous_url: /ApiReference/http/HOW-TO
 ---
diff --git a/tests/app/image-source.md b/tests/app/image-source.md
index 009e1fa6d..c77250bce 100644
--- a/tests/app/image-source.md
+++ b/tests/app/image-source.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "image-source How-To"
 title: "image-source"
+environment: nativescript
 description: "Examples for using image-source"
 previous_url: /ApiReference/image-source/HOW-TO
 ---
diff --git a/tests/app/location.md b/tests/app/location.md
index 0ab1d5596..0704ad0c2 100644
--- a/tests/app/location.md
+++ b/tests/app/location.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "location How-To"
 title: "location"
+environment: nativescript
 description: "Examples for using location"
 previous_url: /ApiReference/location/HOW-TO
 ---
diff --git a/tests/app/platform.md b/tests/app/platform.md
index e27f801b2..745bc336e 100644
--- a/tests/app/platform.md
+++ b/tests/app/platform.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "platform How-To"
 title: "platform"
+environment: nativescript
 description: "Examples for using platform"
 previous_url: /ApiReference/platform/HOW-TO
 ---
diff --git a/tests/app/text/formatted-string.md b/tests/app/text/formatted-string.md
index 11a8eb27d..6251125d5 100644
--- a/tests/app/text/formatted-string.md
+++ b/tests/app/text/formatted-string.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "Formatted String How-To"
 title: "formatted-string"
+environment: nativescript
 description: "Examples for using Formatted String"
 previous_url: /ApiReference/text/formatted-string/HOW-TO
 ---
diff --git a/tests/app/timer.md b/tests/app/timer.md
index 9fb438707..6c74ece55 100644
--- a/tests/app/timer.md
+++ b/tests/app/timer.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "timer How-To"
 title: "timer"
+environment: nativescript
 description: "Examples for using timer"
 previous_url: /ApiReference/timer/HOW-TO
 ---
diff --git a/tests/app/trace.md b/tests/app/trace.md
index 97a6c967e..b74a10b83 100644
--- a/tests/app/trace.md
+++ b/tests/app/trace.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "trace How-To"
 title: "trace"
+environment: nativescript
 description: "Examples for using trace"
 previous_url: /ApiReference/trace/HOW-TO
 ---
diff --git a/tests/app/ui/action-bar/action-bar.md b/tests/app/ui/action-bar/action-bar.md
index 0f04334a4..c3bbb7819 100644
--- a/tests/app/ui/action-bar/action-bar.md
+++ b/tests/app/ui/action-bar/action-bar.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "ActionBar How-To"
 title: "action-bar"
+environment: nativescript
 description: "Examples for using ActionBar"
 previous_url: /ApiReference/ui/action-bar/HOW-TO
 ---
diff --git a/tests/app/ui/activity-indicator/activity-indicator.md b/tests/app/ui/activity-indicator/activity-indicator.md
index 9d990d207..eacaa5701 100644
--- a/tests/app/ui/activity-indicator/activity-indicator.md
+++ b/tests/app/ui/activity-indicator/activity-indicator.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "activity-indicator How-To"
 title: "activity-indicator"
+environment: nativescript
 description: "Examples for using activity-indicator"
 previous_url: /ApiReference/ui/activity-indicator/HOW-TO
 ---
diff --git a/tests/app/ui/animation/animation.md b/tests/app/ui/animation/animation.md
index 1512f4bcc..ffecca280 100644
--- a/tests/app/ui/animation/animation.md
+++ b/tests/app/ui/animation/animation.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "animation How-To"
 title: "animation"
+environment: nativescript
 description: "Examples for using animation"
 previous_url: /ApiReference/ui/animation/HOW-TO
 ---
diff --git a/tests/app/ui/border/border.md b/tests/app/ui/border/border.md
index 3c974f8b6..eba1de6bb 100644
--- a/tests/app/ui/border/border.md
+++ b/tests/app/ui/border/border.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "Border How-To"
 title: "border"
+environment: nativescript
 description: "Examples for using Border"
 previous_url: /ApiReference/ui/border/HOW-TO
 ---
diff --git a/tests/app/ui/button/button.md b/tests/app/ui/button/button.md
index a169be073..ccc8223e6 100644
--- a/tests/app/ui/button/button.md
+++ b/tests/app/ui/button/button.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "button How-To"
 title: "button"
+environment: nativescript
 description: "Examples for using button"
 previous_url: /ApiReference/ui/button/HOW-TO
 ---
diff --git a/tests/app/ui/date-picker/date-picker.md b/tests/app/ui/date-picker/date-picker.md
index 1df9a0076..8ce1c66a4 100644
--- a/tests/app/ui/date-picker/date-picker.md
+++ b/tests/app/ui/date-picker/date-picker.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "DatePicker How-To"
 title: "date-picker"
+environment: nativescript
 description: "Examples for using DatePicker"
 previous_url: /ApiReference/ui/date-picker/HOW-TO
 ---
diff --git a/tests/app/ui/dialogs/dialogs.md b/tests/app/ui/dialogs/dialogs.md
index 35f684aea..53a779f8a 100644
--- a/tests/app/ui/dialogs/dialogs.md
+++ b/tests/app/ui/dialogs/dialogs.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "dialogs How-To"
 title: "dialogs"
+environment: nativescript
 description: "Examples for using dialogs"
 previous_url: /ApiReference/ui/dialogs/HOW-TO
 ---
diff --git a/tests/app/ui/frame/frame.md b/tests/app/ui/frame/frame.md
index 876473dc1..215d28f00 100644
--- a/tests/app/ui/frame/frame.md
+++ b/tests/app/ui/frame/frame.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "frame How-To"
 title: "frame"
+environment: nativescript
 description: "Examples for using frame"
 previous_url: /ApiReference/ui/frame/HOW-TO
 ---
diff --git a/tests/app/ui/gestures/gestures.md b/tests/app/ui/gestures/gestures.md
index 25a59e642..e4c89d850 100644
--- a/tests/app/ui/gestures/gestures.md
+++ b/tests/app/ui/gestures/gestures.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "gestures How-To"
 title: "gestures"
+environment: nativescript
 description: "Examples for using gestures"
 previous_url: /ApiReference/ui/gestures/HOW-TO
 ---
diff --git a/tests/app/ui/html-view/htm-view.md b/tests/app/ui/html-view/htm-view.md
index 06e3f6493..667bd349c 100644
--- a/tests/app/ui/html-view/htm-view.md
+++ b/tests/app/ui/html-view/htm-view.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "HtmlView How-To"
 title: "html-view"
+environment: nativescript
 description: "Examples for using HtmlView"
 previous_url: /ApiReference/ui/html-view/HOW-TO
 ---
diff --git a/tests/app/ui/image-cache/image-cache.md b/tests/app/ui/image-cache/image-cache.md
index 9f2141aa9..94bcfea60 100644
--- a/tests/app/ui/image-cache/image-cache.md
+++ b/tests/app/ui/image-cache/image-cache.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "image-cache How-To"
 title: "image-cache"
+environment: nativescript
 description: "Examples for using image-cache"
 previous_url: /ApiReference/ui/image-cache/HOW-TO
 ---
diff --git a/tests/app/ui/image/image.md b/tests/app/ui/image/image.md
index 9058f2f35..c5bad66dd 100644
--- a/tests/app/ui/image/image.md
+++ b/tests/app/ui/image/image.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "Image How-To"
 title: "image"
+environment: nativescript
 description: "Examples for using Image"
 previous_url: /ApiReference/ui/image/HOW-TO
 ---
diff --git a/tests/app/ui/label/label.md b/tests/app/ui/label/label.md
index bbb7644cf..20affdd0f 100644
--- a/tests/app/ui/label/label.md
+++ b/tests/app/ui/label/label.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "Label How-To"
 title: "label"
+environment: nativescript
 description: "Examples for using Label"
 previous_url: /ApiReference/ui/label/HOW-TO
 ---
diff --git a/tests/app/ui/layouts/absolute-layout.md b/tests/app/ui/layouts/absolute-layout.md
index c71f5058c..dbde2d0d3 100644
--- a/tests/app/ui/layouts/absolute-layout.md
+++ b/tests/app/ui/layouts/absolute-layout.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "absolute-layout How-To"
 title: "absolute-layout"
+environment: nativescript
 description: "Examples for using absolute-layout"
 previous_url: /ApiReference/ui/layouts/absolute-layout/HOW-TO
 ---
diff --git a/tests/app/ui/layouts/dock-layout.md b/tests/app/ui/layouts/dock-layout.md
index 2b1a55939..b87a253d4 100644
--- a/tests/app/ui/layouts/dock-layout.md
+++ b/tests/app/ui/layouts/dock-layout.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "dock-layout How-To"
 title: "dock-layout"
+environment: nativescript
 description: "Examples for using dock-layout"
 previous_url: /ApiReference/ui/layouts/dock-layout/HOW-TO
 ---
diff --git a/tests/app/ui/layouts/grid-layout.md b/tests/app/ui/layouts/grid-layout.md
index a2484a171..512175bcb 100644
--- a/tests/app/ui/layouts/grid-layout.md
+++ b/tests/app/ui/layouts/grid-layout.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "grid-layout How-To"
 title: "grid-layout"
+environment: nativescript
 description: "Examples for using grid-layout"
 previous_url: /ApiReference/ui/layouts/grid-layout/HOW-TO
 ---
diff --git a/tests/app/ui/layouts/stack-layout.md b/tests/app/ui/layouts/stack-layout.md
index 0c880d4b6..fba922956 100644
--- a/tests/app/ui/layouts/stack-layout.md
+++ b/tests/app/ui/layouts/stack-layout.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "stack-layout How-To"
 title: "stack-layout"
+environment: nativescript
 description: "Examples for using stack-layout"
 previous_url: /ApiReference/ui/layouts/stack-layout/HOW-TO
 ---
diff --git a/tests/app/ui/layouts/wrap-layout.md b/tests/app/ui/layouts/wrap-layout.md
index f74d9fc98..a50955039 100644
--- a/tests/app/ui/layouts/wrap-layout.md
+++ b/tests/app/ui/layouts/wrap-layout.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "WrapLayout How-To"
 title: "wrap-layout"
+environment: nativescript
 description: "Examples for using WrapLayout"
 previous_url: /ApiReference/ui/layouts/wrap-layout/HOW-TO
 ---
diff --git a/tests/app/ui/list-picker/list-picker.md b/tests/app/ui/list-picker/list-picker.md
index ec39791c2..cad678617 100644
--- a/tests/app/ui/list-picker/list-picker.md
+++ b/tests/app/ui/list-picker/list-picker.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "ListPicker How-To"
 title: "list-picker"
+environment: nativescript
 description: "Examples for using ListPicker"
 previous_url: /ApiReference/ui/list-picker/HOW-TO
 ---
diff --git a/tests/app/ui/list-view/list-view.md b/tests/app/ui/list-view/list-view.md
index d6acbb1d7..0e3819e30 100644
--- a/tests/app/ui/list-view/list-view.md
+++ b/tests/app/ui/list-view/list-view.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "list-view How-To"
 title: "list-view"
+environment: nativescript
 description: "Examples for using list-view"
 previous_url: /ApiReference/ui/list-view/HOW-TO
 ---
diff --git a/tests/app/ui/page/page.md b/tests/app/ui/page/page.md
index fcfda799a..c92a97739 100644
--- a/tests/app/ui/page/page.md
+++ b/tests/app/ui/page/page.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "Page How-To"
 title: "page"
+environment: nativescript
 description: "Examples for using Page"
 previous_url: /ApiReference/ui/page/HOW-TO
 ---
diff --git a/tests/app/ui/placeholder/placeholder.md b/tests/app/ui/placeholder/placeholder.md
index 7091e21d1..2915ba0a0 100644
--- a/tests/app/ui/placeholder/placeholder.md
+++ b/tests/app/ui/placeholder/placeholder.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "placeholder How-To"
 title: "placeholder"
+environment: nativescript
 description: "Examples for using placeholder"
 previous_url: /ApiReference/ui/placeholder/HOW-TO
 ---
diff --git a/tests/app/ui/progress/progress.md b/tests/app/ui/progress/progress.md
index 430943dc0..52ccdd206 100644
--- a/tests/app/ui/progress/progress.md
+++ b/tests/app/ui/progress/progress.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "progress How-To"
 title: "progress"
+environment: nativescript
 description: "Examples for using progress"
 previous_url: /ApiReference/ui/progress/HOW-TO
 ---
diff --git a/tests/app/ui/repeater/repeater.md b/tests/app/ui/repeater/repeater.md
index e883537ab..d4b9af8d4 100644
--- a/tests/app/ui/repeater/repeater.md
+++ b/tests/app/ui/repeater/repeater.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "repeater How-To"
 title: "repeater"
+environment: nativescript
 description: "Examples for using repeater"
 previous_url: /ApiReference/ui/repeater/HOW-TO
 ---
diff --git a/tests/app/ui/scroll-view/scroll-view.md b/tests/app/ui/scroll-view/scroll-view.md
index c87b20afb..52fd03b2b 100644
--- a/tests/app/ui/scroll-view/scroll-view.md
+++ b/tests/app/ui/scroll-view/scroll-view.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "scroll-view How-To"
 title: "scroll-view"
+environment: nativescript
 description: "Examples for using scroll-view"
 previous_url: /ApiReference/ui/scroll-view/HOW-TO
 ---
diff --git a/tests/app/ui/search-bar/search-bar.md b/tests/app/ui/search-bar/search-bar.md
index 834b81341..e0ba099dc 100644
--- a/tests/app/ui/search-bar/search-bar.md
+++ b/tests/app/ui/search-bar/search-bar.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "search-bar How-To"
 title: "search-bar"
+environment: nativescript
 description: "Examples for using search-bar"
 previous_url: /ApiReference/ui/search-bar/HOW-TO
 ---
diff --git a/tests/app/ui/segmented-bar/segmented-bar.md b/tests/app/ui/segmented-bar/segmented-bar.md
index f1435a449..6b23d8c4a 100644
--- a/tests/app/ui/segmented-bar/segmented-bar.md
+++ b/tests/app/ui/segmented-bar/segmented-bar.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "SegmentedBar How-To"
 title: "segmented-bar"
+environment: nativescript
 description: "Examples for using SegmentedBar"
 previous_url: /ApiReference/ui/segmented-bar/HOW-TO
 ---
diff --git a/tests/app/ui/slider/slider.md b/tests/app/ui/slider/slider.md
index afd428c59..d1c9fa198 100644
--- a/tests/app/ui/slider/slider.md
+++ b/tests/app/ui/slider/slider.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "slider How-To"
 title: "slider"
+environment: nativescript
 description: "Examples for using slider"
 previous_url: /ApiReference/ui/slider/HOW-TO
 ---
diff --git a/tests/app/ui/styling/styling.md b/tests/app/ui/styling/styling.md
index 8d0d0ecd0..bfddaf553 100644
--- a/tests/app/ui/styling/styling.md
+++ b/tests/app/ui/styling/styling.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "styling How-To"
 title: "styling"
+environment: nativescript
 description: "Examples for using styling"
 previous_url: ApiReference/ui/styling/HOW-TO
 ---
diff --git a/tests/app/ui/switch/switch.md b/tests/app/ui/switch/switch.md
index cd77475f8..cb6b4eaad 100644
--- a/tests/app/ui/switch/switch.md
+++ b/tests/app/ui/switch/switch.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "switch How-To"
 title: "switch"
+environment: nativescript
 description: "Examples for using switch"
 previous_url: /ApiReference/ui/switch/HOW-TO
 ---
diff --git a/tests/app/ui/tab-view/tab-view.md b/tests/app/ui/tab-view/tab-view.md
index 419e63a2b..206432bbf 100644
--- a/tests/app/ui/tab-view/tab-view.md
+++ b/tests/app/ui/tab-view/tab-view.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "TabView How-To"
 title: "tab-view"
+environment: nativescript
 description: "Examples for using TabView"
 previous_url: /ApiReference/ui/tab-view/HOW-TO
 ---
diff --git a/tests/app/ui/text-field/text-field.md b/tests/app/ui/text-field/text-field.md
index 7ff25b5c0..bdf753a21 100644
--- a/tests/app/ui/text-field/text-field.md
+++ b/tests/app/ui/text-field/text-field.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "TextField How-To"
 title: "text-field"
+environment: nativescript
 description: "Examples for using TextField"
 previous_url: /ApiReference/ui/text-field/HOW-TO
 ---
diff --git a/tests/app/ui/text-view/text-view.md b/tests/app/ui/text-view/text-view.md
index ad4079001..02741a7f6 100644
--- a/tests/app/ui/text-view/text-view.md
+++ b/tests/app/ui/text-view/text-view.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "TextView How-To"
 title: "text-view"
+environment: nativescript
 description: "Examples for using TextView"
 previous_url: /ApiReference/ui/text-view/HOW-TO
 ---
diff --git a/tests/app/ui/time-picker/time-picker.md b/tests/app/ui/time-picker/time-picker.md
index 94bb7e797..8bd6aac88 100644
--- a/tests/app/ui/time-picker/time-picker.md
+++ b/tests/app/ui/time-picker/time-picker.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "TimePicker How-To"
 title: "time-picker"
+environment: nativescript
 description: "Examples for using TimePicker"
 previous_url: /ApiReference/ui/time-picker/HOW-TO
 ---
diff --git a/tests/app/ui/web-view/web-view.md b/tests/app/ui/web-view/web-view.md
index aa59fb263..d5aed9458 100644
--- a/tests/app/ui/web-view/web-view.md
+++ b/tests/app/ui/web-view/web-view.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "WebView How-To"
 title: "web-view"
+environment: nativescript
 description: "Examples for using WebView"
 previous_url: /ApiReference/ui/web-view/HOW-TO
 ---
diff --git a/tests/app/xml-parser-tests/xml-parser.md b/tests/app/xml-parser-tests/xml-parser.md
index 920bb25c5..985f63782 100644
--- a/tests/app/xml-parser-tests/xml-parser.md
+++ b/tests/app/xml-parser-tests/xml-parser.md
@@ -1,6 +1,7 @@
 ---
 nav-title: "xml How-To"
 title: "xml"
+environment: nativescript
 description: "Examples for using xml"
 previous_url: /ApiReference/xml/HOW-TO
 ---