belongsTo(RecurringInvoice::class)->withTrashed();
    }
    /**
     * @return mixed
     */
    public function contact()
    {
        return $this->belongsTo(ClientContact::class)->withTrashed();
    }
    /**
     * @return mixed
     */
    public function user()
    {
        return $this->belongsTo(User::class)->withTrashed();
    }
    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function company()
    {
        return $this->belongsTo(Company::class);
    }
    public function signatureDiv()
    {
        if (! $this->signature_base64) {
            return false;
        }
        return sprintf('