| Function | Description |
| @DocChildren | Returns the number of immediate children of the current document. |
| @DocChildren(def) | As above, but returns def. Use % in def to represent the number. |
| @DocChildren(zero; def) | As above, but returns zero if there are no children. |
| @DocChildren(one, zero; def) | As above, but returns one if there is one child. |
| @DocDescendants | Returns the number of descendants, including children and children of children, of the current document. |
| @DocDescendants(def) | As above, but returns def. Use % in def to represent the number. |
| @DocDescendants(zero; def) | As above, but returns zero if there are no descendants. |
| @DocDescendants(one, zero; def) | As above, but returns one if there is one descendant. |
| @DocLevel | Returns the level of the current document in the current view. |
| @DocNumber | Returns the number of the current document or category within the current view. |
| @DocNumber(sep) | As above, but separates the components of the number with sep rather than a period. |
| @DocNumber("") | As above, but returns only the rightmost component of the number. |
| @DocParentNumber | Returns the number of the parent of the current document or category within the current view. |
| @DocParentNumber(sep) | As above, but separates the components of the number with sep rather than a period. |
| @DocParentNumber("") | As above, but returns only the rightmost component of the number. |
| @DocSiblings | Returns the number of documents that are at the same level as the current document, including the current document. |
| @IsCategory | Returns an asterisk if any field to the right of the current field in the current row is a category. |
| @IsCategory(True) | Same as above, but returns True instead of an asterisk. |
| @IsCategory(True; False) | Same as above, but returns False if no fields are categories. |
| @IsExpandable | Returns a plus sign if the current row is expandable. |
| @IsExpandable(True) | Same as above, but returns True instead of a plus sign. |
| @IsExpandable(True; False) | Same as above, but returns False if the row is not expandable. |
| @Responses | Returns the number of responses in the current view to the current document. WindowTitle formulas only. |