## kn source binding update Update a sink binding ### Synopsis Update a sink binding ``` kn source binding update NAME ``` ### Examples ``` # Update the subject of a sink binding 'my-binding' to a new cronjob with label selector 'app=ping' kn source binding update my-binding --subject cronjob:batch/v1beta1:app=ping" ``` ### Options ``` --ce-override stringArray Cloud Event overrides to apply before sending event to sink. Example: '--ce-override key=value' You may be provide this flag multiple times. To unset, append "-" to the key (e.g. --ce-override key-). -h, --help help for update -n, --namespace string Specify the namespace to operate in. -s, --sink string Addressable sink for events. You can specify a broker, Knative service or URI. Examples: '--sink broker:nest' for a broker 'nest', '--sink https://event.receiver.uri' for an URI with an 'http://' or 'https://' schema, '--sink 'ksvc:receiver' or simply '--sink receiver' for a Knative service 'receiver'. If prefix is not provided, it is considered as a Knative service. --subject string Subject which emits cloud events. This argument takes format kind:apiVersion:name for named resources or kind:apiVersion:labelKey1=value1,labelKey2=value2 for matching via a label selector ``` ### Options inherited from parent commands ``` --config string kn configuration file (default: ~/.config/kn/config.yaml) --kubeconfig string kubectl configuration file (default: ~/.kube/config) --log-http log http traffic ``` ### SEE ALSO * [kn source binding](kn_source_binding.md) - Manage sink bindings