Orange-Summer opened a new issue, #14545:
URL: https://github.com/apache/dolphinscheduler/issues/14545

   ### Search before asking
   
   - [X] I had searched in the 
[issues](https://github.com/apache/dolphinscheduler/issues?q=is%3Aissue) and 
found no similar feature requirement.
   
   
   ### Description
   
   In the subprocess task, the subworkflow can choose its own output parameters 
to output to the downstream tasks in the parent workflow.
   This is a [DolphinScheduler project of 
OSPP-2023.](https://summer-ospp.ac.cn/org/prodetail/232290357)
   
   ### Use case
   
   Example:
   This is the output parameter of the task in the subworkflow
   
![image](https://github.com/apache/dolphinscheduler/assets/61171207/336ed038-1353-496a-8016-1b13722bab81)
   This is the output parameter defined in the subworkflow
   
![image](https://github.com/apache/dolphinscheduler/assets/61171207/b1dff352-8628-4014-b021-6a8c70ee2b1b)
   Output parameter1 and parameter2 in the downstream task of the subworkflow 
task, and finally output parameter1 successfully
   
![image](https://github.com/apache/dolphinscheduler/assets/61171207/6a97f435-e9a9-434b-8312-44dc9db82674)
   
   ### Related issues
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [X] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [X] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)
   


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