def get_definition_properties(self, project, definition_id, filter=None):
        """GetDefinitionProperties.
        [Preview API] Gets properties for a definition.
        :param str project: Project ID or project name
        :param int definition_id: The ID of the definition.
        :param [str] filter: A comma-delimited list of properties. If specified, filters to these specific properties.
        :rtype: :class:`<object> <azure.devops.v5_0.build.models.object>`
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if definition_id is not None:
            route_values['definitionId'] = self._serialize.url('definition_id', definition_id, 'int')
        query_parameters = {}
        if filter is not None:
            filter = ",".join(filter)
            query_parameters['filter'] = self._serialize.query('filter', filter, 'str')
        response = self._send(http_method='GET',
                              location_id='d9826ad7-2a68-46a9-a6e9-677698777895',
                              version='5.0-preview.1',
                              route_values=route_values,
                              query_parameters=query_parameters)
        return self._deserialize('object', response)
GetDefinitionProperties.
        [Preview API] Gets properties for a definition.
        :param str project: Project ID or project name
        :param int definition_id: The ID of the definition.
        :param [str] filter: A comma-delimited list of properties. If specified, filters to these specific properties.
        :rtype: :class:`<object> <azure.devops.v5_0.build.models.object>`