code: def CreateSummaryMetadata(description=None):
      return summary_pb2.SummaryMetadata(
          summary_description=description,
          plugin_data=summary_pb2.SummaryMetadata.PluginData(
              plugin_name=PLUGIN_NAME
          ),
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensorboard.compat.proto import summary_pb2
label_desc: Use image node_id 1 for calling a global function with example usage: CreateSummaryMetadata(description) and returns: summary_pb2