syntax = "proto3";
package protobuf.clickstream;

import "protobuf/meta/meta.proto";
import "google/protobuf/timestamp.proto";

/**
  Clickstream impressions
**/
message Impression {
  option deprecated = true;
  option(meta.lifecycle.deprecation_note) = "Impression events are deprecated.";
  option(meta.lifecycle.deprecation_time) = 1649693315;

  option(meta.message.type) = EVENT;
  option(meta.kafka.topics) = "clickstream_impressions";

  option(meta.props.prop1) = "prop1 value";
  option(meta.props.prop2) = true;
  option(meta.props.prop3) = EVENT;

  option(meta.props.prop4) = "value1";
  option(meta.props.prop4) = "value2";
  option(meta.props.prop6) = EVENT;
  option(meta.props.prop6) = IMPRESSION;

  option(meta.tags.tag_str) = "value1";
  option(meta.tags.tag_bool) = true;
  // option(meta.tags.tag_enum) = EVENT;
  option(meta.tags.tag_list) = "a, b, c";

  option(meta.security.classification_enum) = HighlyConfidential;
  option(meta.security.classification)      = "Classification.Sensitive";

  google.protobuf.Timestamp timestamp = 1; // event timestamp
  string details = 2
  [(meta.fieldTags.tag_str) = "value1",
   (meta.fieldTags.tag_bool) = true,
   (meta.fieldTags.tag_enum) = EVENT,
   (meta.fieldTags.tag_list) = "a, b, c",
   (meta.securityField.classification_enum) = HighlyConfidential,
   (meta.securityField.classification) = "Classification.Sensitive"
  ]; // event details

  string deprecated_field = 3 [deprecated = true];
}