3GPP 23.369 v20.0.0 — the document's own text
5.2.3.1 Overview
AIoT Uplink Application Container Transfer service is used by an AF to receive application specific uplink DO-A data that is sent autonomously (i.e. not a response in an Application-Specific Command service operation defined in clause 5.2.2.4) by DO-A Capable AIoT Devices.