This portion of the command_key_definition identifies which type of Access List (possibly empty) is defined in next key. The pulldown is limited to only it's valid values. They are defined below:
| Access List Type | Defines Access list as... |
|---|---|
| 'D' | Disallow list("Full" Matching) |
| 'A' | Allow List ("Full" Matching) |
| 'I' | Ignore List ("Full" Matching) |
| 'd' | Disallow list ("Single" Matching) |
| 'a' | Allow List ("Single" Matching) |
| 'i' | Ignore List ("Single" Matching) |