Akeda Bagus

<p>This plugin is an extension to <a href="https://wordpress.org/plugins/slack" rel="ugc">Slack plugin</a> that allows you to send notifications to Slack channels whenever sales are made.</p>
<p>The new event will be shown on integration setting with text <strong>When a payment in EDD is marked as complete</strong>. If checked then notification will be delivered once sales are made.</p>
<p>You can alter the message with <code>slack_edd_complete_purchase_message</code> filter. The filter receives following parameters (ordered by position):</p>
<ul>
<li><code>$message</code> — Default string of message to be delivered</li>
<li><code>$payment_id</code> — Payment ID</li>
<li><code>$total</code> — Total in <code>float</code></li>
<li><code>$formatted_price</code> — Nicely formatted price based on your EDD setting</li>
<li><code>$payment_meta</code> — Payment information</li>
<li><code>$user_info</code> — User whom made the purchase</li>
<li><code>$cart_items</code> — List of purchased downloads</li>
<li><code>$payment_url</code> — Admin URL for this payment</li>
</ul>
<p><strong>Development of this plugin is done on <a href="https://github.com/gedex/wp-slack-edd" rel="nofollow ugc">GitHub</a>. Pull requests are always welcome</strong>.</p>


Slack EDD

Send notifications to Slack channels whenever sales, in EDD, are made.

rheinardkorf

<p>Invitations for Slack lets you use convenient shortcodes to show “Join us on Slack.” buttons or Slack badges. Just add<br />
your Slack token and use the shortcodes wherever you want your visitors to be able to invite themselves from.</p>
<h3>Features:</h3>
<ul>
<li>Easy to use:
<ul>
<li>Visit <a href="https://api.slack.com/web" rel="nofollow ugc">https://api.slack.com/web</a> to generate your Slack token.</li>
<li>Add the token to the plugin settings.</li>
<li>Use the [invitations_for_slack] or [invitations_for_slack_badge] shortcodes.</li>
</ul>
</li>
<li>Invitations are performed using the WP REST API which in turn communicates with the Slack API. No page reloads.</li>
</ul>
<h3>Requirements:</h3>
<ul>
<li>A Slack team and the team’s access token.</li>
<li>A self-hosted WordPress website (Not a WordPress.com website.)</li>
</ul>


Invitations for Slack

Plugin doesn't work unfortunately.

Have raised several issues in the support forum and still no response after months.

Doesn't work

Build a Slack community by allowing your visitors (or registered users) to invite themselves to your Slack team.

Slack EDD vs Invitations for Slack