> This page is for NeMo Relay, version dev.
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> - v0.11.1: https://docs.nvidia.com/nemo/relay/v0.11.1/llms.txt
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> - v0.9.4: https://docs.nvidia.com/nemo/relay/v0.9.4/llms.txt
> - v0.8.4: https://docs.nvidia.com/nemo/relay/v0.8.4/llms.txt
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# Module subscriber

> Lifecycle event subscriptions and delivery barriers.

Generated from `cargo doc --no-deps -p nemo-relay-builtins -p nemo-relay-diagnostics -p nemo-relay-logging -p nemo-relay-plugin-host -p nemo-relay-codecs -p nemo-relay -p nemo-relay-runtime -p nemo-relay-model-pricing -p nemo-relay-resource-metrics -p nemo-relay-observability -p nemo-relay-adaptive -p nemo-relay-pii-redaction -p nemo-relay-ffi -p nemo-relay-types -p nemo-relay-plugin -p nemo-relay-worker-proto -p nemo-relay-worker`.

Lifecycle event subscriptions and delivery barriers.

## Functions

* [deregister_subscriber](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay/subscriber/fn-deregister-subscriber): Deregister a global lifecycle event subscriber.
* [flush_subscribers](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay/subscriber/fn-flush-subscribers): Wait for all subscriber callbacks and managed terminal publications registered before this call to finish, including publications emitted transitively by those callbacks.
* [register_subscriber](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay/subscriber/fn-register-subscriber): Register a global lifecycle event subscriber.
* [scope_deregister_subscriber](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay/subscriber/fn-scope-deregister-subscriber): Deregister a scope-local lifecycle event subscriber.
* [scope_register_subscriber](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay/subscriber/fn-scope-register-subscriber): Register a scope-local lifecycle event subscriber.

## Type Aliases

* [EventSubscriberFn](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay/subscriber/type-eventsubscriberfn): Consume runtime lifecycle events after they are emitted.