Hi Ting Chang,
Thank you for reaching out to Microsoft Q&A forum.
We see that you are facing an issue during your training on Microsoft Learn path.
We apologize for the inconvenience caused.
As per the lab link provided, https://microsoftlearning.github.io/dp-203-azure-data-engineer/Instructions/Labs/01-Explore-Azure-Synapse.html after completion of step 7 in Ingest data with a pipeline/Use the Copy Data task to create a pipeline, in step 8 we can see that we need to enter the Filename (for example:products.csv) as provided in the screenshot below:
Complete the lab exercise from the beginning by providing the details as mentioned in the above link. Kindly ensure to delete all the resources along with resource group you have created previously from the Azure portal to avoid unnecessary costs.
If you are still running into issues, kindly attach the screenshots for reference and please let us know in the comments. We are glad to help you.
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