# Should UI nodes create an empty msg.topic if it is left blank?

**URL:** <https://discourse.nodered.org/t/should-ui-nodes-create-an-empty-msg-topic-if-it-is-left-blank/15234>\
**Category:** Dashboard\
**Created:** [7 September 2019 13:35 UTC](https://discourse.nodered.org/t/should-ui-nodes-create-an-empty-msg-topic-if-it-is-left-blank/15234 "2019-09-07T13:35:26Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![zenofmud](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/zenofmud/32/316_2.png) [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Post date:** [7 September 2019 22:17 UTC](https://discourse.nodered.org/t/should-ui-nodes-create-an-empty-msg-topic-if-it-is-left-blank/15234/7 "2019-09-07T22:17:46Z")

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@dceejay Dave, would it make good programming sense to still change the ui nodes so they don't create an undefined msg.topic?

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