How to delete pdf file from attachment category in constellation

I want to delete the pdf file from attachment category. I tried by using OOTB Activity - DeleteAttachment & also by Obj-Delete-By-Handle but still issue persists.

@ChandrakantaP16764825

Do you want to Delete an attachment from attachment category or attachment category itself.

@Gayatri Nistala I want to delete an attachment from attachment category.

@ChandrakantaP16764825

browse from Data-WorkAttach-Your Attachment category and get the matching key and perform Obj-Delete using an activity

@Gayatri NistalaTried that but It’s unable to delete completely from system. So I changed the PDF file name to Text + Currentdatetime value so that it will remove & create a new with datetime mentioned.

And in Pega constellation, we need to use this OOTB Activity- pzDeleteAttachment_V2 to delete the PDF from case attachment. However it will not completely delete, it will remove the file.