> ## Documentation Index
> Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# interpolationVariables

> List the static variables that can be interpolated with `{{ key }}` in snippets, auto-responses, bulk replies and workflow actions, with a label and group for building a picker. Thread field variables are not included; derive them from `threadFieldSchemas` as `threadField.<key>`. Requires the `workspace:read` permission.



This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.