How is transferorder object is related to fulfillment and POC object? Can you please elaborate on this?
Meanwhile to answer your question, yes it is possible to update different child records associated to single parent object using process builder.Lets assume child objects fulfillment and poc have Opportunity as parent
In processbuilder on fulfillment ...
You haven't given us a ton of information, but I think the main issue here is that you're missusing the double-pipe (another way to perfom a boolean "or") operator.
In general, your formula syntax is pretty wrong (using IF() without specifying 3 parameters, the IF() is probably unnecessary, using 2 separate OR operators with both usages being ...
To keep all the historical changes, basically you just need to keep adding the updated timeline to the field Account_Update_Timeline__c.
In your Workflow, use the Field Update action to set the field value:
IF(NOT ISBLANK(Account_Update_Timeline__c), BR(), '') & /* Don't add new line for 1st line */
TEXT(NOW()) + ' - ' + ...
You cannot have multiple behaviours for different states using a single Workflow. You need to use Process Builder for that.
In programming language, Workflow is analogous to a single IF block:
IF (conditions) THEN (statements)
whereas Process Builder can have multiple IF blocks:
IF (conditions 1) THEN (statements)
ELSE IF (conditions 2) THEN (statements)
So the issue was in the template.
I had included slds css in the template.
For some reason it was causing issues in time-based workflows but works fine in immediate ones. After removing it, I received the email.
Assignment Rules are supported on the Lead and Case objects.
Assignment rules automate your organization’s lead generation and support processes. Use lead assignment rules to specify how leads are assigned to users or queues. Use case assignment rules to determine how cases are assigned to users or put into queues.
You can use either declarative or ...
You can have the default value while creating the text field itself or on edit field details page. Find "Default Value" on the page, and place $Label.Some_Label in there, where Some_Label is your label's API name.
If you want to do it in the workflow for some reason, in the workflow field update, you can write the same statement $Label.Some_Label over there ...