Sentry transaction name

Hello! I'm using Grape gem in one of my production apps. This app also uses Sentry for error reporting and performance monitoring. This issue is not strictly tied to grape but - for some reason, Sentry transaction naming works fine for regular rails controllers and actions but not for grape ones. It uses request URL instead. So, for regular rails transactions i'm getting Doorkeeper::TokensController#create while for grape actions, i'm getting /api/v1/records/1 etc. This thing can be configured by using Sentry.configure_scope { |scope| scope.set_transaction_name("MyController#my_action") } before the actual transaction and i was wondering:

Is that possible to access current resource and action names in before filter of my grape api, globally? By globally i mean not separately in each resource but rather in the parent Base < Grape::API class.

Thanks in advance for any clues