# Dynamic Structs by json

**URL:** <https://forum.elixirforum.com/t/dynamic-structs-by-json/21843>\
**Category:** Questions\
**Tags:** development\
**Created:** [April 23, 2019, 11:30am UTC](https://forum.elixirforum.com/t/dynamic-structs-by-json/21843 "2019-04-23T11:30:02Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![dom](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/dom/32/9313_2.png) [@dom](https://forum.elixirforum.com/u/dom)\
**Post date:** [April 23, 2019, 11:38am UTC](https://forum.elixirforum.com/t/dynamic-structs-by-json/21843/3 "2019-04-23T11:38:09Z")

</div>

> Poison.Parser.parse!(json, %{keys: :atoms!})

You’re asking Poison to parse the contents of variable “json”, but it doesn’t look defined anywhere. What do you intend to parse?

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