# AddDays (DateTime)

| **Name**    | ***AddDays***                                                                                                                                               |
| ----------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Syntax      | AddDays (Date date, Integer days)                                                                                                                           |
| Purpose     | To return the date time value after adding the number of days.                                                                                              |
| Description | Adds or subtracts number of days to the specified date.                                                                                                     |
| Return Type | DateTime                                                                                                                                                    |
| Parameters  | <p>date \[System.DateTime] – Date to which days should be added</p><p>days \[System.Int64] – Number of days to be added. To subtract, use negative days</p> |

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/0%20\(92\).png)

**Example**

In this example, we will pass a date time value, and an integer value (indicating days to be added or subtracted) to the function transformation object using a *Variables* object.

Where,

*date* = 01-01-2022

*days* = 5

<figure><img src="https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/1%20(93).png" alt=""><figcaption></figcaption></figure>

In the output window, you can see that the provided integer value, indicating the number of days, has been added to the given date time value.

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/2%20\(93\).png)