Per the following Link:
https://techdocs.broadcom.com/us/en/ca-mainframe-software/traditional-management/mainframe-common-maintenance-procedures/1-0/configure-ca-smp-e-internet-service-retrieval/smp-e-receive-order-command-example.html
The Receive Order JCL specifies inventory="all" in the Order Server section. What is the inventory="all" parameter?
Release : 15.0
Component : RECEIVE ORDER
By default, SMP/e will create the Receive Order request in some IBM-internal format, by specifying 'inventory=all' the request is built in XML format that "all vendors" (like Broadcom) can understand. With "all" specified, SMP/e runs a utility to build an XML file containing the FMIDs and SYSMODs defined in the given product's CSI to be used by Receive Order.