# getWorkbookBinding

Reads current workbook and sheet connection information, or null when disconnected.

Canonical: https://grid.syidax.com/docs/methods/getWorkbookBinding/

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## What does this API do?

Reads current workbook and sheet connection information, or null when disconnected.

API for Pro features: Built-in formulas, references, dependency recalculation and calculated columns

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## Exact input and result types

```typescript
getWorkbookBinding(): Promise<GridWorkbookBinding | null>
```

| Arguments | Required | Type |
| --- | --- | --- |

The return type is `Promise<GridWorkbookBinding | null>`.

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## Usage flow

After registering and initializing the Grid element, call grid.getWorkbookBinding(…). Read the return value with await. For methods returning a boolean or report, inspect the result before continuing.

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## Read related types

- [GridWorkbookBinding](https://grid.syidax.com/docs/types/GridWorkbookBinding.md)

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## Feature explanations and examples

- [Formula calculation](https://grid.syidax.com/docs/features/formulas.md) — Formulas evaluate strings beginning with = and display the result in a cell. For example, =SUM(A1:A3) references the first column in the original column definitions and the first three source rows.