Insert Gravity Forms field entries into database table after form submission

insert-gravity-forms-field-entries-into-database-table-after-form-submission.php

/* 
    Add to functions.php
*/
add_action( 'gform_after_submission_2', 'capture', 10, 2 ); /* gform_after_submission_2 = form ID 2 */
function capture( $entry, $form ) {

    global $wpdb;
    $table= $wpdb->prefix . 'my_table';

    $end_date   = $entry['4']; /* Field ID 4 */
    $email      = $entry['2']; /* Field ID 2 */
    $the_name   = $entry['1']; /* Field ID 1 */

    $wpdb->query( $wpdb->prepare( 
        "
            INSERT INTO $table ( 
                end_date, 
                email,
                the_name, 
                notified
            )
            VALUES ( %d, %s, %s, %s )
        ", 
            array(
            $end_date,
            $email,
            $the_name
        ) 
    ) );
}