> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abrahospitality.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Check-In

> Oracle Opera guest check-in event

# Check-In

A guest checks into their room in Oracle Opera.

## Data Synced

* Reservation confirmation number
* Updated status (In-House)

## Effect in ABRA

When this event is received, ABRA:

* Updates the reservation status to "In-House"
* Records the sync timestamp

<Info>
  Learn more about how statuses work in ABRA: [Reservation Statuses](/concepts/reservation-statuses).
</Info>