. */ namespace App; use Illuminate\Database\Eloquent\Factories\HasFactory; use Illuminate\Database\Eloquent\Model; class ExternalAccount extends Model { use HasFactory; public const PROTOCOLS = ['UDP', 'TCP','TLS']; public function account() { return $this->belongsTo(Account::class); } public function getIdentifierAttribute(): string { return $this->attributes['username'] . '@' . $this->attributes['domain']; } }