Invoice approval workflow spreadsheet Attachment

Summary:

I need to create the Invoice approval rules (spread sheet) where I need to make the condition that if the attachment is there then it should go for approval. What are the options do I need to select in Invoice Approval spreadsheet so that I can select the attachment as success if not reject

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):