ITableGrandTotalHeaderValue
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ITableGrandTotalHeaderValue interface
This API is provided as an alpha preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
Header cell labeling a **grand-total row** (usually located in the first columns).
**Visual example:**
           |  Q1 |  Q2 | ColSum Σ |
-----------+-----+-----+----------+
 USA       | 100 | 120 |   220    |
 CAN       |  80 |  90 |   170    |
 RowSum Σ  | 180 | 210 |   390    | <- RowSum Σ is grandTotalHeader
Signature:
export interface ITableGrandTotalHeaderValue 
Properties
| Property | Modifiers | Type | Description | 
|---|---|---|---|
| ITableAttributeColumnDefinition | ITableMeasureGroupHeaderColumnDefinition | (ALPHA) Column context - typically an attribute column or measure header column where the grand total label appears. | ||
| number | (ALPHA) Zero-based column position in the  | ||
| string | null | (ALPHA) Display text for the grand total row label (e.g., "Sum", "Total"). Usually shows the aggregation type or a localized "Total" label. | ||
| (ALPHA) Row context - grand-total row since this header cell is labeling a grand-total row. | |||
| number | (ALPHA) Zero-based row position in the  | ||
| "grandTotalHeader" | (ALPHA) Discriminator literal for narrowing the  |