Transferring data from paper formats into computer files or database systems. Typing in data provided directly from customers. Creating spreadsheets with large numbers of figures without mistakes. Your event proposal is first and foremost a reflection of your client. Because planning an event requires customizing that event to suit your client’s needs and budget, your proposal should reflect an event that is personal and unique. You can use a template as a general guide to getting started writing your event proposal, but then tailor it and include the individual services provided for each client.