framework/stubs/migrations/update.stub

<?php

namespace {{namespace}}\Migration;

use Flarum\Database\AbstractMigration;
use Illuminate\Database\Schema\Blueprint;

class {{name}} extends AbstractMigration
{
    public function up()
    {
        $this->schema->table('{{table}}', function (Blueprint $table) {
            //
        });
    }

    public function down()
    {
        $this->schema->table('{{table}}', function (Blueprint $table) {
            //
        });
    }
}