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DML2020DML2020 

Identifying automation process where email is sent via debug

In this org, there is a quick action on a list view called 'Execute Order Importer for Selected'. When clicked, the selected order requests are converted and during this process an email is automatically sent to the indivisual who created that order. The quest is to identify that process where an email is sent to reuse for another process.
I ran a debug log and have honed in on an EMAIL_QUEUE line which I believe is involved in the email automation using a template. I've also identified in the log the email that the message was sent to.

Question: How can I use this to identify the automation that occurs so that I may replicate it elsewhere? 

AnudeepAnudeep (Salesforce Developers) 
I recommend turning the log levels to the highest (it will be either fine, info or finest) to get more details 

If it is a workflow, you will see something similar to the following
 
09:00:24.085 (85955000)|EXECUTION_STARTED
09:00:24.085 (85993000)|CODE_UNIT_STARTED|[EXTERNAL]|Workflow:Account
09:00:24.113 (113658000)|WF_RULE_EVAL_BEGIN|Workflow
09:00:24.113 (113706000)|WF_CRITERIA_BEGIN|[Account: Test Account 001b000000Rt26i]|Test Workflow|01Qb0000000Tl1k|ON_CREATE_OR_TRIGGERING_UPDATE
09:00:24.113 (113816000)|WF_FORMULA|Formula:true|Values:
09:00:24.113 (113831000)|WF_CRITERIA_END|true
09:00:24.155 (155161000)|WF_SPOOL_ACTION_BEGIN|Workflow
09:00:24.179 (179282000)|WF_FIELD_UPDATE|[Account: Test Account 001b000000Rt26i]|Field:Account: Active|Value:Yes|Id=04Yb0000000TeFO|CurrentRule:Test Workflow (Id=01Qb0000000Tl1k)
09:00:24.179 (179319000)|WF_ACTION| Field Update: 1;
09:00:24.179 (179326000)|WF_RULE_EVAL_END
09:00:24.202 (202563000)|WF_ACTIONS_END| Field Update: 1;
09:00:24.202 (202577000)|CODE_UNIT_FINISHED|Workflow:Account
09:00:24.202 (202584000)|EXECUTION_FINISHED

If it is an action, you will see WF_ACTION log lines

I recommend reviewing the following links to learn more

https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_debugging_system_log_console.htm

https://help.salesforce.com/articleView?id=000337022&type=1&mode=1

Let me know if this helps, if it does, please mark this answer as best so that others facing the same issue will find this information useful. Thank you
DML2020DML2020

Anudeep, thank you for pointing me to these links.

Follow-up question, how do I identify the Apex class that an EMAIL_QUEUE event name is referencing to go to that line of code?