When posting in command format in an open channel, if you type “/” in Slack when you fail to post, the slash command you used immediately before will be displayed as a candidate.
Even if you fail to post a message, you don't have to worry about losing the text you have thoughtfully typed.
※We recommend that you use open channels when sending posts using the slash command.
Please note that posting via private channel or direct message may fail without an error message.
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