# core.subscribe

Subscribe the current connection to the named `event` and return a subscription identifier.

Matching event notifications are pushed to this connection until the subscription is removed with core.unsubscribe. A JSON-RPC `error` response (code `-32001`, Method call error) is returned if the caller is not authorized to subscribe to the event.

Type: object

##

Type: array
No Additional Items

#### Tuple Validation

##### Parameter 1: event

#### event

Type: string

Event name to subscribe to for real-time updates.

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#### Result

Type: string

CoreSubscribeResult return fields.

Required roles: