'Create new metadata tags for the specified resource ids.
:type resource_ids: list
:param resource_ids: List of strings
:type tags: dict
:param tags: A dictionary containing the name/value pairs.
If you want to create only a tag name, the
value for that tag should be the empty string
(e.g. \'\').
:type dry_run: bool
:param dry_run: Set to True if the operation should not actually run.'

def create_tags(self, resource_ids, tags, dry_run=False):

    params = {}
    self.build_list_params(params, resource_ids, 'ResourceId')
    self.build_tag_param_list(params, tags)
    if dry_run:
        params['DryRun'] = 'true'
    return self.get_status('CreateTags', params, verb='POST')
