Merge pull request MicrosoftDocs#3147 from quentin987/patch-1

Update launch-screen-snipping.md

windows-apps-src/launch-resume/launch-screen-snipping.md

@@ -20,6 +20,7 @@ The **ms-screenclip:** URI allows your app to automatically open up and start a
 | Parameter | Type | Required | Description |
 | --- | --- | --- | --- |
 | source | string | no | A freeform string to indicate the source that launched the URI. |
+| clippingMode | string | no | A string value to indicate the clipping type for the snip. Values supported include: Rectangle, Freeform, Window |
 | delayInSeconds | int | no | An integer value, from 1 to 30. Specifies the delay, in full seconds, between the URI call and when snipping begins. |
 | callbackformat | string | no | This parameter is unavailable. |
 
@@ -69,4 +70,4 @@ The following example illustrates what a file specified by the **secondaryShared
   "userActivity": "{\"$schema\":\"http://activity.windows.com/user-activity.json\",\"UserActivity\":\"type\",\"1.0\":\"version\",\"cross-platform-identifiers\":[{\"platform\":\"windows_universal\",\"application\":\"Microsoft.MicrosoftEdge_8wekyb3d8bbwe!MicrosoftEdge\"},{\"platform\":\"host\",\"application\":\"edge.activity.windows.com\"}],\"activationUrl\":\"microsoft-edge:https://support.microsoft.com/help/13776/windows-use-snipping-tool-to-capture-screenshots\",\"contentUrl\":\"https://support.microsoft.com/help/13776/windows-use-snipping-tool-to-capture-screenshots\",\"visualElements\":{\"attribution\":{\"iconUrl\":\"https://www.microsoft.com/favicon.ico?v2\",\"alternateText\":\"microsoft.com\"},\"description\":\"https://support.microsoft.com/help/13776/windows-use-snipping-tool-to-capture-screenshots\",\"backgroundColor\":\"#FF0078D7\",\"displayText\":\"Use snipping tool to capture screenshots - Windows Help\",\"content\":{\"$schema\":\"http://adaptivecards.io/schemas/adaptive-card.json\",\"type\":\"AdaptiveCard\",\"version\":\"1.0\",\"body\":[{\"type\":\"Container\",\"items\":[{\"type\":\"TextBlock\",\"text\":\"Use snipping tool to capture screenshots - Windows Help\",\"weight\":\"bolder\",\"size\":\"large\",\"wrap\":true,\"maxLines\":3},{\"type\":\"TextBlock\",\"text\":\"https://support.microsoft.com/help/13776/windows-use-snipping-tool-to-capture-screenshots\",\"size\":\"normal\",\"wrap\":true,\"maxLines\":3}]}]}},\"isRoamable\":true,\"appActivityId\":\"https://support.microsoft.com/help/13776/windows-use-snipping-tool-to-capture-screenshots\"}"
 }
 
-```
+```