# Including a member first/surname in any email

**URL:** <https://meta.discourse.org/t/including-a-member-first-surname-in-any-email/63121>\
**Category:** Support\
**Created:** [5월 22, 2017, 6:59오전 UTC](https://meta.discourse.org/t/including-a-member-first-surname-in-any-email/63121 "2017-05-22T06:59:06Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![BobbyZopfan](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/bobbyzopfan/32/149374_2.png) [@BobbyZopfan](https://meta.discourse.org/u/BobbyZopfan)\
**Post date:** [4월 13, 2019, 7:46오전 UTC](https://meta.discourse.org/t/including-a-member-first-surname-in-any-email/63121/5 "2019-04-13T07:46:43Z")

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When I add this field in the welcome email (in other words, I, being the admin, when I edit the welcome email text and add this %{username} at the beginning of the email, it gives an error to the effect that:  
Body: The following interpolation keys are invalid: “username”.

What does this error mean and how to overcome it?

 ![image](https://global.discourse-cdn.com/meta/original/3X/a/1/a136b3f2c08930e00ee8a4ec7d1047aa910c7cee.png)

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_[View the full topic](https://meta.discourse.org/t/including-a-member-first-surname-in-any-email/63121)._