old_contents: from django.contrib import admin
  from .models import Protocol, Topic, Institution
  
  
  class ProtocolAdmin(admin.ModelAdmin):
      list_display = ['number', 'start_time', 'get_topics', 'information', 'majority', 'current_majority', 'get_absent']
  
      list_display_links = ['number']
  
      list_filter = ['topics']
  
      search_fields =['number', 'information', 'topics__name', 'topics__description']
  
  admin.site.register(Institution)
  admin.site.register(Topic)
  admin.site.register(Protocol, ProtocolAdmin)
  
new_contents: from django.contrib import admin
  from .models import Protocol, Topic, Institution
  
  
  class ProtocolAdmin(admin.ModelAdmin):
      list_display = ['number', 'start_time', 'get_topics', 'information', 'majority', 'current_majority', 'institution']
  
      list_display_links = ['number']
  
      list_filter = ['institution__name', 'topics']
  
      search_fields =['number', 'institution__name', 'topics__name', 'information']
  
  admin.site.register(Institution)
  admin.site.register(Topic)
  admin.site.register(Protocol, ProtocolAdmin)
  
subject: Change search and list fields