Points to Note
• Objects related to [Activities] ([Task] and [Events]) have both [Last Activity] and [Last Modified Date] fields.
• For more information on these two fields, please refer to the article "Differences between Last Activity and Last Modified Dates"
Note
The instructions provided here are for a sample implementation.
Salesforce Support cannot provide specific steps for the content described here, so please be aware of this in advance.
Should the flow not perform as expected, please contact Salesforce Support.
Prerequisites
First, you must create a custom "Date" field on the Account object where the date from the Task will be stored.
If you need assistance with creating a custom field, please refer to the Salesforce Help article below.
Sample Flow Configuration Steps
1.In the [Automation] application, select [Flows] tab. (Switch applications from the [App Launcher] in the top left corner of the screen.)
2.Click [New], then in the [New Automation] window, click "View All >" under [Triggered], and select [Record-Triggered Flow].
3.In [Configure Start], set the following and click [Done]:
WhatId (Related To ID)001 (This filters for Tasks related to Account records, as '001' is the Account ID prefix)4.Click the + icon below the Start element and add an [Update Records] element.
5.Configure the Update Records element as follows:
Id{!$Record.WhatId}TaskLastModifiedDate__c (the custom field you created){!$Record.LastModifiedDate}
Other Resources
* Create a Custom Field
* Differences between Last Activity and Last Modified Dates
004637120

We use three kinds of cookies on our websites: required, functional, and advertising. You can choose whether functional and advertising cookies apply. Click on the different cookie categories to find out more about each category and to change the default settings.
Privacy Statement
Required cookies are necessary for basic website functionality. Some examples include: session cookies needed to transmit the website, authentication cookies, and security cookies.
Functional cookies enhance functions, performance, and services on the website. Some examples include: cookies used to analyze site traffic, cookies used for market research, and cookies used to display advertising that is not directed to a particular individual.
Advertising cookies track activity across websites in order to understand a viewer’s interests, and direct them specific marketing. Some examples include: cookies used for remarketing, or interest-based advertising.