How to create an external event receiver in SharePoint?
Create a polling service that will monitor for changes in the data and notify SharePoint of those changes. Create an external event receiver that executes when items are added to the external data and, as a result, creates a new list item on a notifications list. To complete this example, you will need the following prerequisites:
How to add remote event receivers to the host web list?
Declaratively, connection of remote event receivers to lists on Host Web is not possible. But we can do it programmatically. First, open AppManifest.xml file (in RERHostDemo project), then go to the tab Permissions. In order to enable us to add event receivers from the code, it is necessary for user to have the right to Manage Host Web.
How to create a remote event receiver in Visual Studio?
For example, you can respond to list events, such as adding or removing a field; list item events, such as adding or removing a list item or attachment to a list item; or web events, such as adding or deleting a site or site collection. You can add a remote event receiver to an existing Visual Studio solution that contains an SharePoint Add-in.
How does BDC work with external event receivers?
Business Connectivity Services (BCS) uses remote event receivers attached to external lists and entities to allow you to write code that can react to changes in data hosted in the external system. To accommodate this, two stereotypes have been added to the schema of the BDC model: EventSubscriber and EventUnsubscriber.
Can a SharePoint alert be attached to an external list?
Now a user can create alerts on an external list that have the same behavior as alerts on a standard SharePoint list. External list event receivers: Event receivers can now be attached to external lists just like they can for standard lists. This provides an extensibility mechanism that lets you write code that is executed at specific times.
How to build and deploy an event receiver?
We are now all set to deploy our Event Receiver. To build and deploy, just press “F5”. Now, you go to your site settings and select Manage Site Features under site actions. Now, you can see your Event Receiver inside your Site Collection.