Lab: Apply the Attribute Pattern

Hi - I would appreciate some help in understanding some help with this lab. I’m think I understand the solution but I don’t understand how I am meant to define it. The example in the lecture is a completed record with actual values but the lab it is the specification. I’ tried to specify the K for museum and data and then put the data types for v but that did not work. I’m confused and would appreciate some guidance

Hi @Kevin_58341 try searching this board first. You might find some answers because this lab has been discussed a lot of times.