> For the complete documentation index, see [llms.txt](https://developer.rategain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.rategain.com/our-products/channel-manager/rg-bridge-supply-push/interface-specifications-availability-and-rates-notification-service/operations/availability-notification/ota_hotelavailnotifrq/change-in-inventory-count.md).

# Change in Inventory count

When sending an inventory count update, it must be sent on a room type basis. This means the `OTA_HotelAvailNotifRQ` message will only include information about the room type and will not contain any `RatePlan` details.

```xml
<OTA_HotelAvailNotifRQ xmlns="http://www.opentravel.org/OTA/2003/05"  
TimeStamp="2004-05-01T06:39:09" 
 
Target="Production" 
 
Version="1.002" EchoToken="25525379hyyds63" 
 
 <AvailStatusMessages HotelCode="ATLPE" HotelName="The Sheraton"> 
 
 <AvailStatusMessage BookingLimit="25" 
 
 	BookingLimitMessageType="SetLimit"> 
 
 	<StatusApplicationControl  Start="2011-12-02"  
 	End="2011-12-05" 
 
 	InvCode="STD"> 
 
 	</StatusApplicationControl> 
 
 	<UniqueID Type="16" ID="1"> 
 
 	</UniqueID> 
 
 </AvailStatusMessage> 
 
</AvailStatusMessages> 
</OTA_HotelAvailNotifRQ> 

```


---

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