DataSourceParameter

Access existing data source parameters.


**Only use this class with data that's connected to a database.**

### Methods

| Method | Return type | Brief description |
|---|---|---|
| `https://developers.google.com/apps-script/reference/spreadsheet/data-source-parameter#getName()` | `String` | Gets the parameter name. |
| `https://developers.google.com/apps-script/reference/spreadsheet/data-source-parameter#getSourceCell()` | `String|null` | Gets the source cell the parameter is valued based on, or `null` if the parameter type is not `https://developers.google.com/apps-script/reference/spreadsheet/data-source-parameter-type#CELL`. |
| `https://developers.google.com/apps-script/reference/spreadsheet/data-source-parameter#getType()` | `https://developers.google.com/apps-script/reference/spreadsheet/data-source-parameter-type` | Gets the parameter type. |

## Detailed documentation

### `getName()`

Gets the parameter name.

#### Return


`String` --- The parameter name.

*** ** * ** ***

### `getSourceCell()`

Gets the source cell the parameter is valued based on, or `null` if the parameter type is
not `https://developers.google.com/apps-script/reference/spreadsheet/data-source-parameter-type#CELL`.

#### Return


`String|null` --- The source cell, as specified in A1 notation.

*** ** * ** ***

### `getType()`

Gets the parameter type.

#### Return


`https://developers.google.com/apps-script/reference/spreadsheet/data-source-parameter-type` --- The parameter type.