---
schema_version: "1"
id: 920b52ca0c8f0007653bcfd3958376ff1a30a108c8f453190f08ee1c62848574
title: Event Monitoring Definitions
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/xcloud/264-0-0/real_time_event_monitoring_definitions.md
canonical_url: https://help.salesforce.com/s/articleView?id=xcloud.real_time_event_monitoring_definitions.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 464f754c8807b157f3f30fc399a39412be2cdf1c72ecf0b3f005707377ba3981
description: Keep these terms in mind when working with Event Monitoring and real-time events.
products:
  - Salesforce Platform
  - Cross Cloud
release: "264"
---
# Event Monitoring Definitions

Keep these terms in mind when working with Event Monitoring and real-time events.

### Required Editions

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          <td class="slds-cell-wrap" style="vertical-align:top;">Available in both Salesforce Classic (not available in all orgs) and Lightning
            Experience.</td>

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            <p>Available in: <strong>Enterprise</strong>, <strong>Unlimited</strong>, and <strong>Developer</strong>
              Editions</p>
            <p style="margin-bottom:0;">Requires Salesforce Shield or Salesforce Event Monitoring add-on
              subscriptions.</p>
          </td>

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      </tbody>
    </table>

 
| Term | Definition |
| --- | --- |
| Event | An event is anything that happens in Salesforce, including user clicks, record state changes, and measuring values. Events are immutable and timestamped. |
| Event Channel | A stream of events on which an event producer sends event messages and event consumers read those messages. |
| Event Subscriber | A subscriber to a channel that receives messages from the channel. For example, a security app is notified of new report downloads. |
| Event Message | A message used to transmit data about the event. |
| Event Publisher | The publisher of an event message over a channel, such as a security and auditing app. |

## Are Events Captured in Near Real Time?

Yes. But what does “near real time” mean? It means that there can be a minor delay from when the event occurred and when you can query it. You can monitor the near-real-time nature of your events. Take the average difference between the EventDate and the CreatedDate fields to see when your events were captured.

![Average difference between EventDate and CreatedDate fields](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-xcloud-setup-264-0-0-production-enus/6f21df35-9ea0-4f53-ac94-45c3b5dfd5bc/setup/images/workbench_loginforensics.png)