Gets custom field id from the cell. 
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since:  2024 
Syntax
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Parameters
- row
 - Type: SystemInt32
The row of the cell. 
- col
 - Type: SystemInt32
The column of the cell. 
Return Value
Returns custom field id from the cell. If this cell is not of type CellType.CustomField it will return an empty GuidExceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.ExceptionsArgumentException | The given row number row is invalid. -or- The given column number col is invalid. |