3427184 - Output of the automation cannot be defined at end activity

After creating an automation, but the Output parameters can not be defined at the End activity of the process. 

For example as below:

In the automation, define the output from step 2 of "BAPIResponse"

However, from the End activity, could not choose the output BAPIResponse from step 2 as output.

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

SAP Build Process Automation

output, automation, data type, datatype, define, end, process, try, condition. variable, output parameter , KBA , CA-ML-IPA , IPA , Problem