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Ranjith DevRanjith Dev 

Unable to see the "Additional Contacts" section on case Page layout

Hi Team,

I want to add a custom "Send an email" button on the "Additional Contacts" section on the Case object in lightning, but unable to see the "Additional Contacts" section on the case page layout.( lighting/classic).

How to visible that section on the Case page layout. Please guide me with any possible solution.
Sai PraveenSai Praveen (Salesforce Developers) 
Hi Ranjith,

I hope the similar question was answed in the below post. Please check and let us know if this resolves your issue.


If this solution helps, Please mark it as best answer.
Ranjith DevRanjith Dev
Hi Sai,
thanks for the reply,
The "additional contacts" is a "contact role" related list on the case object. They were renamed to "additional contacts". Now my concern is how to add a list button CaseConatctRole object. When click on "New button or link"  button am get this Error.
please guide me.
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Ranjith M.