# Substring

Returns a substring of characters.

## Related examples

* [Creating a string using parts of other strings](https://help.qlik.com/talend/en-US/data-mapper-functions-reference-guide/8.0/creating-string-using-parts-of-other-strings)

## Arguments

| Arguments | Definitions |
| --- | --- |
| Input Value | Specify the input value to process. |

## Properties

| Properties | Definitions |
| --- | --- |
| Start | Enter the one-based character that starts the returned substring.<br>The first character is 1.<br><br>This property is also available as<br>an argument. If you specify both, the argument value is used and<br>the property value is ignored. |
| Length | Enter the number of characters to return after (and including)<br>the start character.<br><br>This property is also available as<br>an argument. If you specify both, the argument value is used and<br>the property value is ignored. |