When sharing data between a calling flow and a response flow, how can user context data be stored?
A . By setting a value in the Environment.CallableFlow.UserContext environment variable
B . On a database or in a local drive
C . In a remote database or in the local host’s memory
D . By setting a value in the ContextData environment variable or in a local drive
Answer: A
Explanation:
https://www.ibm.com/support/knowledgecenter/SSMKHH_10.0.0/com.ibm.etools.mft.doc/cl28163_.html
To store user context data, you can either set a value in the Environment.CallableFlow.UserContext environment variable, or create and populate child folders below it in the message tree. For example, you can use the following command to specify context data to be stored the environment:
SET Environment.CallableFlow.UserContext = ‘myData’;