DynamicFileNames.md

# Dynamic file names are tricky

## Sources

### Amazon S3 bucket

1) In a Taskflow, create an assignment task and add a function.
![Assignmenttask](images/assgintask.png "AssignTask")
2) Add a template file to your S3 bucket that includes all headers and full example of the dynamic file name (for example, MyFile_20230512.csv). This file will need to remain in your bucket for the life of the integration/mapping.
![DynamicTemplate](images/dynatemplate.png "Dynamic Template")
3) Add into the **Mapping Task** source Advanced settings the input parameter from the Assignment task.
![InputPara](images/inputpara.png "Input Parameter")

## Targets