An instance parameter of the scheduled elements. All shared parameters also use this type, except instances of type parameters.

A type parameter of the scheduled elements.

The number of elements appearing on the schedule row.

A special type of field used for a few parameters whose displayed values can change based on the settings of the view: ROOM_AREA and ROOM_PERIMETER in room and space schedules. PROJECT_REVISION_REVISION_NUM in revision schedules. KEYNOTE_NUMBER in keynote legends that are numbered by sheet.

A formula calculated from the schedule fields values.

A value indicating what percent of the total of another field each element represents.

A parameter of the room that a scheduled element belongs to.

A parameter of the room on the "from" side of a door or window.

A parameter of the room on the "to" side of a door or window.

A parameter of the Project Info element in the project that the scheduled element belongs to, which may be a linked file. Only allowed in schedules that include elements from linked files.

In a material takeoff, a parameter of one of the materials of a scheduled element.

In a material takeoff, a value representing how a particular material is used within a scheduled element. The parameter ID can be MATERIAL_AREA, MATERIAL_VOLUME, or MATERIAL_ASPAINT.

The parameter only allowed in schedules that include elements from linked files. A parameter of the RvtLinkInstance that an element in a linked file belongs to.

The parameter only allowed in schedules that include elements from linked files. A parameter of the RvtLinkType that an element in a linked file belongs to.

A structural material parameter of a scheduled element.

A parameter of the space that a scheduled element belongs to.

An analytical element parameter of a scheduled physical element.

A type parameter of the physical element of a scheduled analytical element.

An instance parameter of the physical element of a scheduled analytical element.