# Concat

Concatenates values.

The Concat function converts each of its arguments to a string and concatenates them together to form the result.

This function returns a String. If there is only one argument, the value returned has the same data type as the argument.

## 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

| Variable arguments | Add the values to concatenate as arguments. They can be structure<br>elements or functions. |
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## Properties

| Join String | Specify the non-breaking space character or characters to be used<br>when concatenating a series of values. For example, ", " would put a<br>comma and a whitespace between each value, or " " would simply use a<br>space.<br><br>If any value is null, the non-breaking<br>space character or characters are omitted for that<br>value. |
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