Function register_live_runtime_with_metadata 

pub fn register_live_runtime_with_metadata(
    runtime_session_id: impl Into<String>,
    source: LiveRuntimeSource,
    base_url: impl Into<String>,
    token: impl Into<String>,
    metadata: LiveRuntimeMetadata,
) -> Result<LiveRuntimeRegistration, LiveRuntimeReceiptError>

Register a runtime with the static fields used by list/describe output.