# dbus/unsubscribe Remove a signal subscription previously registered with `dbus/subscribe` and send `RemoveMatch` to the daemon. ## Syntax

[dbus/unsubscribe $conn "type='signal',interface='org.example.X'"]

## Parameters - `$conn` — connection from `dbus/connect` - `$rule` — the exact match rule string used to subscribe (string) A rule that is not currently subscribed is a no-op (no `RemoveMatch` is sent). The closure is unpinned when its subscription is removed. ## Examples

[dbus/unsubscribe $conn "type='signal',interface='org.deft.Test',member='Ping'"]

## Returns `nil`, or `%Err{:message}` on a bad connection, non-string rule, or a failed `RemoveMatch`. ## See Also `dbus/subscribe`, `dbus/disconnect`