diff --git a/docs/developer/service-descriptions/uml/AttestSelfGeneratedIAKflow.puml b/docs/developer/service-descriptions/uml/AttestSelfGeneratedIAKflow.puml
new file mode 100644
index 0000000..7fdae1b
--- /dev/null
+++ b/docs/developer/service-descriptions/uml/AttestSelfGeneratedIAKflow.puml
@@ -0,0 +1,22 @@
+'-------------------------------------------------------------------------------
+' Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
+'
+' SPDX-License-Identifier: BSD-3-Clause
+'
+'-------------------------------------------------------------------------------
+
+@startuml
+participant "factory app"
+participant "attestation service"
+participant "keystore"
+
+hnote over "keystore": empty
+"factory app" -> "attestation service" : export_iak_public_key
+"attestation service" -> "keystore" : check_exists
+"attestation service" <-- "keystore" : false
+"attestation service" -> "attestation service" : generate_key
+"attestation service" -> "keystore" : store_key
+hnote over "keystore": provisioned
+"factory app" <-- "attestation service" : public_key
+
+@enduml