# Error when trying to implement a multiple\_select

**URL:** <https://forum.elixirforum.com/t/error-when-trying-to-implement-a-multiple-select/14525>\
**Category:** Questions\
**Tags:** ecto, phoenix, postgresql, select\
**Created:** [June 4, 2018, 4:40am UTC](https://forum.elixirforum.com/t/error-when-trying-to-implement-a-multiple-select/14525 "2018-06-04T04:40:26Z")\
**Posts on this page:** 1\
**Showing post:** 10

<div class="post-metadata">

**Author:** ![kokolegorille](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/kokolegorille/32/4784_2.png) [@kokolegorille](https://forum.elixirforum.com/u/kokolegorille)\
**Post date:** [June 4, 2018, 7:06am UTC](https://forum.elixirforum.com/t/error-when-trying-to-implement-a-multiple-select/14525/10 "2018-06-04T07:06:22Z")

</div>

With Phoenix 1.3, it looks like this

```elixir
  use Ecto.Schema
  import Ecto.Changeset

```

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_[View the full topic](https://forum.elixirforum.com/t/error-when-trying-to-implement-a-multiple-select/14525)._