In an embodiment, a system and method for the following steps are described herein: receiving transactional data describing transactions between multiple computing devices, using the transactional data, identifying multiple instances of a particular event type, each instance comprising multiple transactions associated with a particular computing device, using the transactional data related to the multiple instances of the particular event type, determining multiple items for the particular event type, receiving, from a client computing device, an event generation request for an event of the particular event type, generating an event template identifying one or more of the multiple items associated with the particular event type, and displaying, through a graphical user interface executing on the client computing device, the event template.