These functions are used in traversing the outline tree.
| Function | Description |
| EssOtlGetFirstMember() | Returns a member handle to the first member in the outline; the first dimension defined in the outline |
| EssOtlGetChild() | Returns a member handle to the child of a member |
| EssOtlGetParent() | Returns a member handle to the parent of a member |
| EssOtlGetNextSibling() | Returns a member handle to the next sibling of a member |
| EssOtlGetPrevSibling() | Returns a member handle to the previous sibling of a member |
| EssOtlGetNextSharedMember() | Returns a member handle to the next shared member of a real member |