code: def _get_parameters(link, encoding):
      
      parameters = []
      properties = {}
      required = []
  
      for field in link.fields:
          parser = OpenApiFieldParser(link, field)
          if parser.location == 'form':
              if encoding in ('multipart/form-data', 'application/x-www-form-urlencoded'):
                  # 'formData' in swagger MUST be one of these media types.
                  parameters.append(parser.as_parameter())
              else:
                  # Expand coreapi fields with location='form' into a single swagger
                  # parameter, with a schema containing multiple properties.
                  properties[field.name] = parser.as_schema_property()
                  if field.required:
                      required.append(field.name)
          elif parser.location == 'body':
              parameters.append(parser.as_body_parameter(encoding))
          else:
              parameters.append(parser.as_parameter())
  
      if properties:
          parameter = {
              'name': 'data',
              'in': 'body',
              'schema': {
                  'type': 'object',
                  'properties': properties
              }
          }
          if required:
              parameter['schema']['required'] = required
          parameters.append(parameter)
  
      return parameters
docs: Generates Swagger Parameter Item object.