Gets the cell in this column at the row specified by its ID.
"configurationVisibilityColumn_var" is a variable referencing a ConfigurationVisibilityColumn object. | 
        
"configurationVisibilityColumn_var" is a variable referencing a ConfigurationVisibilityColumn object. | 
        
| Type | Description | 
| ConfigurationVisibilityCell | Returns the specified cell if successful and null if the id is not found. | 
| Name | Type | Description | 
| rowId | string | The ID of the row to return the cell for. |