protected override void PopulateAttributes()

in src/Google.Cloud.Functions.Framework/GcfEvents/GcfConverters.cs [240:256]


            protected override void PopulateAttributes(Request request, CloudEvent evt)
            {
                var resource = request.Context.Resource.Name!;
                if (StorageResourcePattern.Match(resource) is { Success: true } match)
                {
                    // The source includes the resource name up to the bucket
                    evt.Source = FormatSource(request.Context.Resource.Service!, match.Groups["resource"].Value);
                    // Resource name from "objects" onwards, but without the generation
                    evt.Subject = match.Groups["subject"].Value;
                    evt[s_bucketAttribute] = match.Groups["bucket"].Value;
                }
                else
                {
                    // If the resource name didn't match for whatever reason, just use the default behaviour.
                    base.PopulateAttributes(request, evt);
                }
            }