# iLO supplement documents

This supplement documents section provides useful technical
information with practical examples that should work against
the different versions of iLO firmware. As an example, the
[OData query options](/docs/redfishservices/ilos/supplementdocuments/odataqueryoptions)
page explains briefly the concept of OData query
options and provides examples that can be used to
simplify Redfish client requests and associated response parsing.

INFO
Supplement documents are regularly updated.
You should check the last update date in the upper
left corner of the main pane of each document.

# Supplement documents organization

The supplement documents menu (left pane)
contains two types of entries:

- Sub-menu entries
(i.e. [Security](/docs/redfishservices/ilos/supplementdocuments/securityservice))
in which several documents are grouped together, all referring to a
single theme.
- Plain entries
(ex:
[Log services](/docs/redfishservices/ilos/supplementdocuments/logservices),
[Storage data models](/docs/redfishservices/ilos/supplementdocuments/storage)
, etc.).