Extend the ProductInventoryRecord Object

You can extend the ProductInventoryRecord object to store more fields.

1. Extend the ProductInventoryRecord object.
   1. Select Administration > Site Development > System Object Types.
   2. Select ProductInventoryRecord and click the Attribute Definitions tab.
   3. Add the new object attribute.
2. Add a new message to the components.properties resource file.
3. Modify availability.isml to analyze and react to the Threshold value.

   <isif condition="${availabilityStatus == dw.catalog.ProductAvailabilityModel.AVAILABILITY_STATUS_IN_STOCK}"> 
   <span class="isinstock"> ${Resource.msg('components.common-details.005','components',null)}<br/> 
     <isif condition="${inventoryRecord != null && inventoryRecord.stockLevel.available}">
       <isif condition="${inventoryRecord.stockLevel.value <= inventoryRecord.Threshold. value }">
         ${StringUtils. format(Resource.msg('components.custom.001','components',null)) } 
         <isif condition="${inventoryRecord.ATS.available && inventoryRecord.ATS.value >
    inventoryRecord.stockLevel.value}"> ${StringUtils.format(Resource.msg( 'components.common-details.008','components',null))} 
         </isif> 
       </isif> 
     </isif> 
   </span>
   </isif>