We're looking at SAP Advanced Event Mesh:
https://discovery-center.cloud.sap/serviceCatalog/advanced-event-mesh

Not the SAP Event Mesh
https://discovery-center.cloud.sap/serviceCatalog/event-mesh

Not the Event Mesh in SAP Integration Suite
https://discovery-center.cloud.sap/serviceCatalog/integration-suite

Help file of SAP Advanced Event Mesh
https://help.sap.com/docs/SAP_ADVANCED_EVENT_MESH

SAP Integration Suite, Advanced Event Mesh
https://help.pubsub.em.services.cloud.sap/Cloud/cloud-lp.htm

Solace PubSub+ Platform
https://docs.solace.com/Get-Started/get-started-lp.htm