Checking if Streamfunction and Velocity Potential on Pressure Levels are Available for ERA5 through CDS

Hi, can someone please tell me if Streamfunction and Velocity Potential on Pressure Levels are Available for ERA5 through Copernicus? If so, does someone have a sample format for the CDS request?

Hi,
Please find here the list of parameters available on pressure levels: https://confluence.ecmwf.int/display/CKB/ERA5%3A+data+documentation#ERA5:datadocumentation-Table9
You can use the webform to build your API request: ERA5 hourly data on pressure levels from 1940 to present

Thanks