It is an essential idea to build an Entity Relationship Diagram (ERD) of your object model; not only is this a good resource for you and your team, but it can also help your customers understand where the data that they are creating resides, and help them build reports and integration solutions. Salesforce provides an interactive tool known as Schema Builder (accessed via the button from the Objects page under Setup) that can help with this; it can also be used to create new objects and fields.
At this stage in the book, the FormulaForce application data model should look something like this:
If you are creating ...
