# Webhook slash command is failing when called

**URL:** <https://discuss.bitrise.io/t/webhook-slash-command-is-failing-when-called/7854>\
**Category:** Question & Answer\
**Tags:** webhook\
**Created:** [January 24, 2019, 3:21pm UTC](https://discuss.bitrise.io/t/webhook-slash-command-is-failing-when-called/7854 "2019-01-24T15:21:08Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![alexander.g](https://avatars.discourse-cdn.com/v4/letter/a/5fc32e/32.png) [@alexander.g](https://discuss.bitrise.io/u/alexander.g)\
**Post date:** [January 24, 2019, 3:21pm UTC](https://discuss.bitrise.io/t/webhook-slash-command-is-failing-when-called/7854/1 "2019-01-24T15:21:08Z")

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When I use the URL [https://hooks.bitrise.io/h/slack/b2dd.../](https://hooks.bitrise.io/h/slack/b2dd.../)…  
I’m getting the following error when calling a webhook in Postman

> Failed to transform the webhook: Failed to parse the request/message: Missing required parameter: either ‘command’ or ‘trigger\_word’ should be specified

When I use URL [https://hooks.bitrise.io/h/passthrough/b2d.../](https://hooks.bitrise.io/h/passthrough/b2d.../)…  
I’m getting another error

> trigger pattern did not match any defined mapping: no matching workflow found with trigger params: push-branch: master, pr-source-branch: , pr-target-branch: , tag:

What’s wrong?

PS: I was reading this, but haven’t found an answer [GitHub - bitrise-io/bitrise-webhooks: Bitrise Webhooks processor](https://github.com/bitrise-io/bitrise-webhooks#slack---setup--usage)

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**Author:** ![alexander.g](https://avatars.discourse-cdn.com/v4/letter/a/5fc32e/32.png) [@alexander.g](https://discuss.bitrise.io/u/alexander.g)\
**Post date:** [January 24, 2019, 4:41pm UTC](https://discuss.bitrise.io/t/webhook-slash-command-is-failing-when-called/7854/2 "2019-01-24T16:41:24Z")

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should be used in another context.

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**Author:** ![bitce](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.bitrise.io/bitce/32/1639_2.png) [@bitce](https://discuss.bitrise.io/u/bitce)\
**Post date:** [February 5, 2019, 10:10am UTC](https://discuss.bitrise.io/t/webhook-slash-command-is-failing-when-called/7854/3 "2019-02-05T10:10:41Z")

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Hi @alexander.g, sorry for glancing over this! Glad to hear you’ve found the answer quickly! 🙂

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/bitrise/original/2X/d/d901cf2aad020f2dd11918afc89ec2089bb87b35.png) [@system](https://discuss.bitrise.io/u/system)\
**Post date:** [March 7, 2019, 10:10am UTC](https://discuss.bitrise.io/t/webhook-slash-command-is-failing-when-called/7854/4 "2019-03-07T10:10:49Z")

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