• Kartik Chadha
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I am a newbie to salesforce and i have a requirement to which i need suggestions how to approach this requirement
I have 4 contacts related to one account and when someone deletes contacts, he should not be able to delete the last contact related to the account.For example: in account A1 i have 4 contacts and someone deletes the 3 contacts from that account then it should be deleted, after that there will be only 1 contact related to that account and den someone tries to delete the last contact than it should not be deleted and throws an error "There should be atleast one contact for this account <<account name>>".
How can i achieve this using trigger?
Here I want to use List rather than Map.