# Events

Event callbacks live in a process-wide registry keyed by a view's
integer tag and the event name. The
[`Reconciler`][pythonnative.reconciler.Reconciler] writes to it during a
commit; platform handlers read from it when a native widget fires.

::: pythonnative.events
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## Next steps

- See what carries the remaining, non-callable props in
  [Mutation ops](mutations.md).
- See how handlers wire a platform listener once, at creation, in
  [Native views](native_views.md).
- Read the other Python-side store the native layer reads on demand in
  [Platform metrics](platform_metrics.md).
- Follow a full commit end to end in
  [Reconciliation](../concepts/reconciliation.md).