I could not find another step by step procedure except the documented one.
To configure session export
POSTin the command to send data to the HTTP endpoint.
Below are the comments from our colleague @James K. about the Splunk integration.
If there is someway to use the API to transfer information to Splunk that is an option but for the most part the log analytics that is part of Dynatrace makes such an integration less valuable than it is with AppMon.