This Video KB is a guide on how to pass an in-out parameter value from one data task to the next in a task flow.

Reference:
•https://knowledge.informatica.com/s/article/573415?language=en_US&type=external

•https://knowledge.informatica.com/s/article/HOW-TO-Use-In-Out-mapping-parameters-in-taskflow-in-IICS-Data-Integration?language=en_US&type=external

•https://onlinehelp.informatica.com/IICS/prod/CDI/en/index.htm#page/hh-cloud-mappings/In-out_parameters.html