Method: add_poll_entries()

add_poll_entries.php

<?php

$poll_id = 7;
$entry_metas = array(
            array(
                'name' => 'text-1',
                'value' => 'Text Input Value'
            ),
            array(
                'name' => 'email-1',
                'value' => 'my@email.com'
            )
        );

Forminator_API::add_poll_entries( $poll_id, $entry_metas );