Process Builder on Feed Item fails when making spanning reference to the parent object if the parent is a Custom Object
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Process Builder on Feed Item fails when making spanning reference to the parent object if the parent is a Custom Object

Chatter , Process Builder

Last updated 2020-09-25 ·Reference W-5875410 ·Reported By 23 users

In Review

A Process Builder on Feed Item fails when it refers to the parent object, and the parent is a custom object.

When process criteria or action includes - for example - reference to "[FeedItem].Parent:My_Object__c.Id", then posting a feed item on a "My_Object" record causes the process to fail with message that "The flow failed to access the value for myVariable_current.Parent:My_Object__c.Id because it hasn't been set or assigned".

The same type of reference works when the parent is a standard object.

1) Create a custom object ("My Object"). Select "Allow Activities", and create a tab.

2) Setup | Feed Tracking, enable feed tracking for "My Object"

3) Create a Process ("Feed Item Process") as follows:

Object: Feed Item
Starts: when a record is created or edited


[FeedItem].ParentId is null Boolean false

Action: Create a record. Create a Task with these field values:

Assigned To ID :: Formula :: $User.Id
Priority :: Picklist :: Normal
Status :: Picklist :: Not Started
Subject :: String :: "Process Task"
Related To ID :: Field Reference (or Formula) :: [FeedItem].Parent:My_Object__c.Id

Activate the Process

4) Create a "My Object" record.

5) Post something to the Feed of the record created in #4.

Expected Result: Process creates a Task on the record

Actual Result: Process fails at the record create action because "myVariable_current.Parent:My_Object__c.Id hasn't been set or assigned"

A possible workaround is for the Process to call a Flow, and for that Flow to query the Feed Item's parent record and perform necessary actions based on the parent record data it retrieves. Please bear in mind that Salesforce does not provide Support for designing new Flows.

Is it Fixed?

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