# Available interpolation key(s)

**URL:** https://meta.discourse.org/t/available-interpolation-key-s/126130
**Category:** Support
**Created:** [August 19, 2019, 1:33am UTC](https://meta.discourse.org/t/available-interpolation-key-s/126130 "2019-08-19T01:33:29Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![csmu](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/csmu/32/124581_2.png) [@csmu](https://meta.discourse.org/u/csmu)
#### Post date: [August 19, 2019, 1:33am UTC](https://meta.discourse.org/t/available-interpolation-key-s/126130/1 "2019-08-19T01:33:29Z")

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I got a “The following interpolation key(s) are invalid: “title”” message when editing /admin/customize/site\_texts?q=email\_from

How do you determine what interpolation key(s) are available for each site\_text?

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### Author: ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)
#### Post date: [August 19, 2019, 1:34am UTC](https://meta.discourse.org/t/available-interpolation-key-s/126130/2 "2019-08-19T01:34:19Z")

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The only ones available are the ones in the original translation phrase. That’s it.

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### Author: ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)
#### Post date: [August 19, 2019, 1:34am UTC](https://meta.discourse.org/t/available-interpolation-key-s/126130/3 "2019-08-19T01:34:21Z")

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