[AttachmentAction] Don't return a null object on 'confirm'

php-slack / slack

A simple PHP package for sending messages to Slack, with a focus on ease of use and elegant syntax.

BSD 2-Clause "Simplified" License

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Closed iNilo closed 4 years ago

iNilo commented 4 years ago

by returning a "null" slack will pop a default confirmation window

slack_2020-03-22_16-16-13

If its "null" (no confirmation) the key should not be returned.

alek13 commented 4 years ago

Hi, @iNilo . Thanks for issue. Can you create PR ?