That said, something unique might be having a full set of reports and disclosures available for the agents to view or offering a shuttle van to take them from property to property if there is significant walking distance between them.
Sorry, I just can't get my arms around making a business meeting into an entertainment expense as others have suggested. I know it's a standard practice, but I've never seen why it's necessary to throw a party to attract serious agents. The truly serious will attend for their own self-interest.
We've attended a "broker's open" where the host offered a $50 drawings every half hour with a grand drawing at the end of $300. They had a great attendance......