This Nova Package is a searchable select for storing your slack channel information in a database field.

You can install the package in to a Laravel app that uses Nova via composer:

composer require brandonjbegle/nova-4-slack-channel-field

Now publish config file:

php artisan vendor:publish --provider="BrandonJBegle\SlackChannel\FieldServiceProvider"

Create a Slack App, install it to your workspace, and retrieve your bot token. Complete Instructions Here

Add the key and token to your .env file

SLACK_OAUTH_TOKEN=############################

Add the field to your Nova Resource:

use BrandonJBegle\SlackChannel\SlackChannel;
// ....

SlackChannel::make('Slack Channel'),

// Specify channel types https://api.slack.com/methods/conversations.list#arg_types
SlackChannel::make('Slack Channel')
          ->types('public_channel,private_channel'),