CreateRelease.
        Create a release.
        :param :class:`<ReleaseStartMetadata> <azure.devops.v5_0.release.models.ReleaseStartMetadata>` release_start_metadata: Metadata to create a release.
        :param str project: Project ID or project name
        :rtype: :class:`<Release> <azure.devops.v5_0.release.models.Release>`

def create_release(self, release_start_metadata, project):
        """CreateRelease.
        Create a release.
        :param :class:`<ReleaseStartMetadata> <azure.devops.v5_0.release.models.ReleaseStartMetadata>` release_start_metadata: Metadata to create a release.
        :param str project: Project ID or project name
        :rtype: :class:`<Release> <azure.devops.v5_0.release.models.Release>`
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        content = self._serialize.body(release_start_metadata, 'ReleaseStartMetadata')
        response = self._send(http_method='POST',
                              location_id='a166fde7-27ad-408e-ba75-703c2cc9d500',
                              version='5.0',
                              route_values=route_values,
                              content=content)
        return self._deserialize('Release', response)