app/Providers/AppServiceProvider.php
public function boot()
    {
        if (method_exists($this, 'customizeSpark')) {
            $this->customizeSpark();
        }

        if (method_exists($this, 'customizeRegistration')) {
            $this->customizeRegistration();
        }

        if (method_exists($this, 'customizeRoles')) {
            $this->customizeRoles();
        }

        if (method_exists($this, 'customizeProfileUpdates')) {
            $this->customizeProfileUpdates();
        }

        if (method_exists($this, 'customizeSubscriptionPlans')) {
            $this->customizeSubscriptionPlans();
        }

        if (method_exists($this, 'customizeSettingsTabs')) {
            $this->customizeSettingsTabs();
        }

        if ($this->twoFactorAuth) {
            Spark::withTwoFactorAuth();
        }

        Spark::generateInvoicesWith($this->invoiceWith);
    }
public function boot()
    {
        if (method_exists($this, 'customizeSpark')) {
            $this->customizeSpark();
        }

        if (method_exists($this, 'customizeRegistration')) {
            $this->customizeRegistration();
        }

        if (method_exists($this, 'customizeRoles')) {
            $this->customizeRoles();
        }

        if (method_exists($this, 'customizeProfileUpdates')) {
            $this->customizeProfileUpdates();
        }

        if (method_exists($this, 'customizeSubscriptionPlans')) {
            $this->customizeSubscriptionPlans();
        }

        if (method_exists($this, 'customizeSettingsTabs')) {
            $this->customizeSettingsTabs();
        }

        if ($this->twoFactorAuth) {
            Spark::withTwoFactorAuth();
        }

        Spark::generateInvoicesWith($this->invoiceWith);
    }
Bootstrap any application services.

@return void