CreatePullRequestIterationStatus.
        [Preview API] Create a pull request status on the iteration. This operation will have the same result as Create status on pull request with specified iteration ID in the request body.
        :param :class:`<GitPullRequestStatus> <azure.devops.v5_0.git.models.GitPullRequestStatus>` status: Pull request status to create.
        :param str repository_id: The repository ID of the pull request’s target branch.
        :param int pull_request_id: ID of the pull request.
        :param int iteration_id: ID of the pull request iteration.
        :param str project: Project ID or project name
        :rtype: :class:`<GitPullRequestStatus> <azure.devops.v5_0.git.models.GitPullRequestStatus>`

def create_pull_request_iteration_status(self, status, repository_id, pull_request_id, iteration_id, project=None):
        """CreatePullRequestIterationStatus.
        [Preview API] Create a pull request status on the iteration. This operation will have the same result as Create status on pull request with specified iteration ID in the request body.
        :param :class:`<GitPullRequestStatus> <azure.devops.v5_0.git.models.GitPullRequestStatus>` status: Pull request status to create.
        :param str repository_id: The repository ID of the pull request’s target branch.
        :param int pull_request_id: ID of the pull request.
        :param int iteration_id: ID of the pull request iteration.
        :param str project: Project ID or project name
        :rtype: :class:`<GitPullRequestStatus> <azure.devops.v5_0.git.models.GitPullRequestStatus>`
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if repository_id is not None:
            route_values['repositoryId'] = self._serialize.url('repository_id', repository_id, 'str')
        if pull_request_id is not None:
            route_values['pullRequestId'] = self._serialize.url('pull_request_id', pull_request_id, 'int')
        if iteration_id is not None:
            route_values['iterationId'] = self._serialize.url('iteration_id', iteration_id, 'int')
        content = self._serialize.body(status, 'GitPullRequestStatus')
        response = self._send(http_method='POST',
                              location_id='75cf11c5-979f-4038-a76e-058a06adf2bf',
                              version='5.0-preview.1',
                              route_values=route_values,
                              content=content)
        return self._deserialize('GitPullRequestStatus', response)