code: def get_coords(self, response):
      # For the moment, it always uses the first column as reference.
      name = get_aliased_name(response) + "_reduced_dim"
      labels = self.get_levels(response)
      return {name: labels[1:]}
  
imports: import numpy
  import pytensor.tensor
  import xarray
  from bambi.families.family import Family
  from bambi.transformations import transformations_namespace
  from bambi.utils import extract_argument_names, get_aliased_name
label_desc: Use image node_id 4 for calling the Multinomial obj's underlying member method code with example usage: obj.get_coords(response) and returns: dict