Methods for supporting user notification services for events in a network

A method for event notification in a network, wherein the method is performed by a second network node that is internal to the network and via which a first network node that is external to the network is configured to communicate with the network, the method comprising:

• receiving a first request from the first network node for onboarding a user notification service, wherein the first request comprises information indicative that the first network node supports the user notification service that notifies one or more user equipments, UEs, of events in the network;
• and
• initiating transmission of a second request towards a third network node operable to support registration procedures in the network wherein the second request is to register the user notification service at the third network node, wherein the second request comprises:
• information indicative of a node type for the second network node;
• information indicative that a service to be registered is the user notification service;
• and/or
• one or more identifiers that each identify an application to which the first network node is capable of providing the user notification service.