Locate an specific subfolder and delete the documents included in it and delete this subfolder

I have being seeking information about my problem but I haven't found the properly anwser. I have a constant as you see:

I'm creating dinamic subfolders inside this folder. Inside them I'm going to create documents. In some situations I will need to delete the documents in a particular subfolder and delete the subfolder as well. I have cheked the documentation (delete folder smart service, delete document smart service) but I don't know how to use it because I need to provide a folder type in the Input variable and I haven't this type of data. I have a variable with the name of the subfolder that is dinamically generated (for instance, today's date) and I need to use this name to delete the subfolder as well. Is there any way to do so?

Thanks in advance!