# Como limitar o Discourse-Zapier para executar apenas na primeira postagem

**URL:** <https://meta.discourse.org/t/way-to-limit-discourse-zapier-to-only-run-on-first-post/126938>\
**Category:** Product Support\
**Created:** [Agosto 27, 2019, 2:51pm UTC](https://meta.discourse.org/t/way-to-limit-discourse-zapier-to-only-run-on-first-post/126938 "2019-08-27T14:51:27Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)\
**Post date:** [Agosto 27, 2019, 3:39pm UTC](https://meta.discourse.org/t/way-to-limit-discourse-zapier-to-only-run-on-first-post/126938/2 "2019-08-27T15:39:30Z")

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Há um cabeçalho na solicitação do webhook chamado `X-Discourse-Event`, que deve indicar se o post é novo ou uma edição.

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_[View the full topic](https://meta.discourse.org/t/way-to-limit-discourse-zapier-to-only-run-on-first-post/126938)._