# Requiring a msg structure - enforcing the presence of fields and attributes

**URL:** <https://discourse.nodered.org/t/requiring-a-msg-structure-enforcing-the-presence-of-fields-and-attributes/81432>\
**Category:** General\
**Created:** [19 September 2023 09:16 UTC](https://discourse.nodered.org/t/requiring-a-msg-structure-enforcing-the-presence-of-fields-and-attributes/81432 "2023-09-19T09:16:40Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![dceejay](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dceejay/32/38_2.png) [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Post date:** [19 September 2023 21:22 UTC](https://discourse.nodered.org/t/requiring-a-msg-structure-enforcing-the-presence-of-fields-and-attributes/81432/18 "2023-09-19T21:22:38Z")

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> [@gregorius](#):
>
> extra conversion step

Hmm. Maybe there is an enhancement to the json node required to add a mode where it just checks schema and doesn’t convert ?

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