Assign Primary Contact in Zoho CRM

In Zoho Invoice you can assign one of the contacts on an Account to being the "Primary Contact".

But there doesn't seem to be an equivalent in Zoho CRM?

Can one be put in and have this synchronised with Zoho Invoice?

Thanks

Gene

Moderation Update:

There is a separate post capturing votes and discussions around the need to mark a Contact as primary within an Account. Please follow the post linked below to stay updated on the progress.

Option to choose a Contact as primary for an Account

Locking this post to avoid redundancy and ensure the customers are appraised of the advancements.