Laravel Scheduler - how to output chained / series commands?

This question is similar to this one except that:

• I need to send the output of the chained (2nd, 3rd or 4th) commands in an output (email in this case)

---

Original Scheduler Code
This is working fine - both command and the email output:

protected function schedule(Schedule $schedule)
{
    $schedule   ->command('commandA:myoption')
                ->emailOutputTo('myemail@gmail.com');
}

---

Chained / Series Commands

When I try and create a chain using a then function it doesn't seem to work:

Option 1 - try to include output into a common email
Result = commandB not performed, only emails the commandA output:

protected function schedule(Schedule $schedule) {
    $schedule   ->command('commandA:myoption')
                ->then(function(Schedule $schedule) {
                    return $schedule->command('commandB:myoption');
                })
                ->emailOutputTo('myemail@gmail.com');
}

Option 2 - try to include output into a common email
(by sending separate email outputs in the primary and 2nd commands)

Result = commandB not performed, only emails the commandA output:

protected function schedule(Schedule $schedule) {
    $schedule   ->command('commandA:myoption')
                ->then(function(Schedule $schedule) {
                    $schedule->command('commandB:myoption')
                            ->emailOutputTo('myemail@gmail.com');
                })
                ->emailOutputTo('myemail@gmail.com');
}

also tried this variation, with no success (same result)

protected function schedule(Schedule $schedule) {
    $schedule   ->command('commandA:myoption')
                ->then(function() use($schedule) {
                    return $schedule->command('commandB:myoption')
                                ->emailOutputTo('myemail@gmail.com');
                })
                ->emailOutputTo('myemail@gmail.com');
}

---

Previous SO Answer
The aforementioned accepted answer runs commandB correctly but does not include the output for commandB in the email:

protected function schedule(Schedule $schedule) {
    $schedule   ->command('commandA:myoption')
                ->then(function() {
                    return $this->call('commandB:myoption');
                })
                ->emailOutputTo('myemail@gmail.com');
}

...and as noted here it's not possible to email from a Scheduler ->call() method, only when using the ->command() method :

The emailOutputTo, sendOutputTo and appendOutputTo methods are exclusive to the command method and are not supported for call.

A modification of the aforementioned accepted answer gives the following error:

[Symfony\Component\Debug\Exception\FatalThrowableError]
Type error: Too few arguments to function Illuminate\Foundation\Console\Kernel::command(), 1 passed in /app/Console/Kernel.php on line 33 and exactly 2 expected

protected function schedule(Schedule $schedule) {
    $schedule   ->command('commandA:myoption')
                ->then(function() {
                    $this->command('commandB:myoption');
                            ->emailOutputTo('myemail@gmail.com');
                })
                ->emailOutputTo('myemail@gmail.com');
}

---

Question How do you chain commands in the scheduler and send the output from all commands to either

• a common email ?
• separate emails (if common isn't possible) ?

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