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Differences between Last Activity and Last Modified Dates

Publiceringsdatum: Apr 3, 2026
Beskrivning
Objects related to Tasks and Events include the fields Last Activity and Last Modified fields. 
 

Last Modified 

The date and timestamp for changes made to an individual record, including the User who made the change.
 

Last Activity 

The date when a User last did something related to the record (represents one of the following):
 

  • The latest Due Date of the Closed Tasks on a record. 
  • The latest Start Date of Events on a record.


Example: If a Record has multiple Activities, the "Last Activity" date will be the Due Date of the Activity furthest in the future. If the Activity Due Dates are 1/10/2018 and 2/10/2018, the Last Activity will be 2/10/2018.

Notes:
 

  • A single Task may be related to more than one record. For example, a Task may be related to both an Account and an Opportunity or both a Contact and a Case. Make sure that records actually reflect last activities by using the "Related To" field whenever you log a call, create a Task, send an email, or schedule an Event.
  • If you use Shared Activities, review their behavior relating to Last Activity Date in Guidelines for Tracking Activities.
  • Activities captured through Einstein Activity Capture are not tracked in Last Activity. Instead use the "Last Activity Date" metric ​​​​​​to track both core Salesforce activities and those captured through Einstein Activity Capture.
Lösning

Further details on "Last Activity" Date Calculation

Each Activity record has an "account_id" field that is different from the "what_id" and "who_id" fields. However, the value for the "account_id" field is calculated by inspecting the "who" and the "what" (with the "what" taking precedence).

We use not just the Activities which have the Account as the "what" but also Activities that roll-up to the Account via the Contract, Custom Object, Opportunity, and Contact

Here are the rules for the "what" :
 

  • The "what" is an account: The account_id is that account.
  • The "what" is an opportunity: The account_id is the account associated with that opportunity.
  • The "what" is a contract: The account_id is the account associated with that contract.
  • The "what" is a Custom object that is parented under an account: The account_id is the account associated with that custom object.


If the "account_id" cannot be derived from the "what" using the rules above, then we look to the "who." If the "who" is a contact with an associated account, then the "account_id" is the account associated with that Contact.

If no account_id is derived from these methods (for example, there is no "what" or "who" on the Task), the account_id field is left blank. 

Once the "account_id" value is determined, and if the Activity is not deleted, the Activity becomes a candidate for Last Activity Date calculations for the associated Account.



 
Knowledge-artikelnummer

000385365

 
Laddar
Salesforce Help | Article