Caixa Econônica Federal

This bank has the following mandatory fields:

idremessa:Sequence number of send. (size: 5)
agencia:Account keeping agency. (size: 4)
codigoCliente:Recipient number. (size: 6)
// for 400 positions
$send = new Eduardokum\LaravelBoleto\Cnab\Remessa\Cnab400\Banco\Caixa;

// Or, for 240 positions
$send = new Eduardokum\LaravelBoleto\Cnab\Remessa\Cnab240\Banco\Caixa;

$send->setBeneficiario($beneficiario)
    ->setIdremessa(1)
    ->setCarteira('RG')
    ->setAgencia(1111)
    ->setCodigoCliente(222222);

Or, Simply:

$sendArray = [
    'beneficiario' => $beneficiario,
    'idremessa' => 1,
    'carteira' => 'RG',
    'agencia' => 1111,
    'codigoCliente' => 222222,
];

// for 400 positions
$send = new Eduardokum\LaravelBoleto\Cnab\Remessa\Cnab400\Banco\Caixa($sendArray);

// Or, for 240 positions
$send = new Eduardokum\LaravelBoleto\Cnab\Remessa\Cnab240\Banco\Caixa($sendArray);

Attention

To generate the file see the Remessa session.