diff --git a/doc/source/admin/emulator.conf b/doc/source/admin/emulator.conf
index 167f748a..4dee4cf2 100644
--- a/doc/source/admin/emulator.conf
+++ b/doc/source/admin/emulator.conf
@@ -172,3 +172,15 @@ SUSHY_EMULATOR_VOLUMES = {
     ]
 }
 
+# This list contains the identities of instances that the driver will filter by.
+# It is useful in a tenant environment where only some instances represent
+# virtual baremetal.
+SUSHY_EMULATOR_ALLOWED_INSTANCES = [
+    "437XR1138R2",
+    "1",
+    "529QB9450R6",
+    "529QB9451R6",
+    "529QB9452R6",
+    "529QB9453R6"
+]
+
diff --git a/doc/source/user/dynamic-emulator.rst b/doc/source/user/dynamic-emulator.rst
index 5e0c8849..9ff23be0 100644
--- a/doc/source/user/dynamic-emulator.rst
+++ b/doc/source/user/dynamic-emulator.rst
@@ -286,6 +286,28 @@ And flip its power state via the Redfish call:
 You can have as many OpenStack instances as you need. The instances can be
 concurrently managed over Redfish and functionally similar tools.
 
+Filtering by allowed instances
+++++++++++++++++++++++++++++++
+
+It is not always desirable to manage every accessable virtual machine as a
+Redfish System, such as when an OpenStack tenant has many instances which do not
+represent virtual baremetal. In this case it is possible to specify a list of
+UUIDs which are allowed.
+
+.. code-block:: bash
+
+    $ cat sushy-tools/doc/source/admin/emulator.conf
+    ...
+    SUSHY_EMULATOR_ALLOWED_INSTANCES = [
+        "437XR1138R2",
+        "1",
+        "529QB9450R6",
+        "529QB9451R6",
+        "529QB9452R6",
+        "529QB9453R6"
+    ]
+    ...
+
 Managers resource
 -----------------