According to the Slack slash command documentation, you need to respond within 3000ms (three seconds). If your command takes longer then you get the Timeout was reached error. Your code obviously won’t stop running, but the user won’t get any response to their command. Three seconds is fine for a quick thing where your command … Read more
The correct format is <@userID> You will simply get the user ID from the event (in your screenshot, the channel_join event) { “type”: “message”, “subtype”: “channel_join”, “ts”: “1358877458.000011”, “user”: “U2147483828”, “text”: “<@U2147483828|cal> has joined the channel” } Update: (I have not checked the solution proposed in the edit) In the new Bolt SDK you can … Read more
I was looking for the same and I saw that nobody answered, so this is what I’ve found: you cannot and you won’t ever be able to. @channel: everybody in a channel, it’s a kind of contract with the user and everybody inside a channel should receive a notification. The point is that Slack has … Read more
<!here> is the solution. There are other commands that work with the <!___> format. Check out this part of the official Slack documentation for an overview about all such variables.
As @timotree pointed out in a comment you should be able to initiate a call to a “channel” using: <team api url>/call/<channel id>. To automate this, have the call be initiated by a server you own. There you can simply set up a cron job something like 45 10 * * 1-5 <your script> >/dev/null … Read more
I tried many options; nothing worked for me. Firfox is my default browser but slack opened links Opera. So i uninstalled Opera. Then slack opened links in Chrome. Here is what i did that worked for me. I use Kubuntu and firefox is already the default browser (verified from firefox’s settings) I want slack to … Read more
You can /remove (or /kick) the bot. Type /kick @botname in the channel which you want the bot to leave.
I have opened a ticket to Slack support asking if Slack’s Incoming Webhook message supports table of any form (HTML or Markdown). The official answer is that Slack messages do not support tables. They suggest to generate a table and post it as an image. They also said that they will add it to their … Read more
No, its is not possible to upload files through an incoming Webhook. But you can attach image URLs to your attachments with the image_url tag. To upload files you need to use the Slack Web API and the files.upload method. Yes, it requires a different authentication, but its not that complicated if you just use … Read more