Customizing the metamodel : Definitions: Creating and modifying : Adding new definition types
  
Adding new definition types
You can create up to 100 new definition types in a System Architect encyclopedia. To add a new definition type, you rename one of 100 generic definition types provided: User 1 through User 100.
Note All definitions have a Name. In addition, every definition has the default property Description. Description is defined as a text field 4074 characters.
Syntax
Rename Definition "User 3" to "whatever"
Example
RENAME DEFINITION "User 1" To "Software Requirement"
...
DEFINITION "Software Requirement"
{ PROPERTY "Title" { EDIT Text LENGTH 400 } PROPERTY "Description" { EDIT Text LENGTH 400 } PROPERTY "Status" { EDIT Text LENGTH 400 } }