Query Relation Morph FullText?

[elvispdosreis]

how do i use it in a lookup like morph table using fulltext?

<?php
 $pessoas = (new Pessoa)->whereHasMorph('pessoa',
            [
                PessoaFisica::class,
                PessoaJuridica::class,
            ], function (Builder $query, $type) use ($request) {
                if ($request->get('nome') !== null) {
                    if ($type === PessoaFisica::class) {
                        $query->whereHas('pessoa', function (Builder $query) use ($request) {
                            $query->whereFulltext(
                                ['cpf', 'nome'],
                                $request->get('nome') . ':*',
                                ['language' => 'portuguese']
                            );
                        });
                    } else {
                        $query->whereHas('pessoa', function (Builder $query) use ($request) {
                            $query->whereFulltext(
                                ['cnpj', 'razao_social'],
                                $request->get('nome') . ':*',
                                ['language' => 'portuguese']
                            );
                        });
                    }
                }
            });