Product Settings - Filter Hook References

function custom_get_option_type_groups( $group_types, $args ) {

    //add your custom code here
    return $group_types;
}

add_filter( 'wmodes-admin/product-options/get-option-type-groups', 'custom_get_option_type_groups', 10, 2 );

function custom_get_group_type_id_option_types( $option_types, $args ) {

    //add your custom code here
    return $option_types;
}

add_filter( 'wmodes-admin/product-options/get-{group_type_id}-option-types', 'custom_get_group_type_id_option_types', 10, 2 );

function custom_get_option_type_option_type_id_fields( $fields, $args ) {

    //add your custom code here
    return $fields;
}

add_filter( 'wmodes-admin/product-options/get-option-type-{option_type_id}-fields', 'custom_get_option_type_option_type_id_fields', 10, 2 );

function custom_get_type_requires_ex_products( $option_type_ids, $args ) {

    //add your custom code here
    return $option_type_ids;
}

add_filter( 'wmodes-admin/product-options/get-type-requires-ex-products', 'custom_get_type_requires_ex_products', 10, 2 );

function custom_get_type_requires_variations( $option_type_ids, $args ) {

    //add your custom code here
    return $option_type_ids;
}

add_filter( 'wmodes-admin/product-options/get-type-requires-variations', 'custom_get_type_requires_variations', 10, 2 );

function custom_process_option_type_id_option( $option, $option_args, $data ) {

    //add your custom code here
    return $option;
}

add_filter( 'wmodes/product-options/process-{option_type_id}-option', 'custom_process_option_type_id_option', 10, 3 );