code: def build_plugin_layer(cfg, postfix="", **kwargs):
      """Build plugin layer.
  
      Args:
          cfg (None or dict): cfg should contain:
              type (str): identify plugin layer type.
              layer args: args needed to instantiate a plugin layer.
          postfix (int, str): appended into norm abbreviation to
              create named layer. Default: ''.
  
      Returns:
          tuple[str, nn.Module]:
              name (str): abbreviation + postfix
              layer (nn.Module): created plugin layer
      """
      if not isinstance(cfg, dict):
          raise TypeError("cfg must be a dict")
      if "type" not in cfg:
          raise KeyError('the cfg dict must contain the key "type"')
      cfg_ = cfg.copy()
  
      layer_type = cfg_.pop("type")
      if layer_type not in PLUGIN_LAYERS:
          raise KeyError(f"Unrecognized plugin type {layer_type}")
  
      plugin_layer = PLUGIN_LAYERS.get(layer_type)
      abbr = infer_abbr(plugin_layer)
  
      assert isinstance(postfix, (int, str))
      name = abbr + str(postfix)
  
      layer = plugin_layer(**kwargs, **cfg_)
  
      return name, layer
  
imports: import inspect
  import platform
  from .registry import PLUGIN_LAYERS
label_desc: Use image node_id 2 for calling a global function with example usage: build_plugin_layer(cfg, postfix) and returns: name,  layer