Hi @KatarzynaS ,The documentation is right. Currently you can't create custom datasources in SAC Embedded. The "extension" datasource in the Analytics demo is an automatic generated datasource when you create extension fields on an object in V2. Simo...
@AnujaS, it's behind the + icon when you create the autoflow. If it's not there you should ask SAP to activate it for your tenant. If that's not possible then I think you have to wait when it will be generally released. Other solution might be Determ...