SP.Web.appInstanceId property (sp.js)
The instance Id of the App Instance that this web represents.
Applies to: apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.Web.get_appInstanceId ()
Return value
Undefined
Remarks
If this site does not represent an App Instance then this must specify an empty GUID.
REST resource endpoint
See Web resource for more information.
Endpoint URI structure
http://<sitecollection>/<site>/_api/web/appInstanceId
HTTP requests
This resource supports the following HTTP commands:
- POST
POST syntax
POST http://<sitecollection>/<site>/_api/web/appInstanceId
GET syntax
GET http://<sitecollection>/<site>/_api/web/appInstanceId