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Update parameters-data-flow.md
NandanHegde15 Oct 18, 2022
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Update articles/data-factory/parameters-data-flow.md
NandanHegde15 Oct 20, 2022
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3 changes: 3 additions & 0 deletions articles/data-factory/parameters-data-flow.md
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Expand Up @@ -106,6 +106,9 @@ For example, if you wanted to map a string column based upon a parameter `column

:::image type="content" source="media/data-flow/parameterize-column-name.png" alt-text="Passing in a column name as a parameter":::

> [!NOTE]
> In data flow expressions, string interpolation (substituting variables inside of the string) is not supported. Instead, concatenate the expression into string values. For example, `'string part 1' + $variable + 'string part 2'`

## Next steps
* [Execute data flow activity](control-flow-execute-data-flow-activity.md)
* [Control flow expressions](control-flow-expression-language-functions.md)