Apex, SalesforceAssingment Desgin a Trigger helper Method on the Opportunity Object to Update update Location_1_c field of Contact if the related Opportunites have same or different AccountldBefore writing trigger on Opportunity First Create a Custom Lookup Relationship of Contact and then write the Trigger. Field - Location_1_c - Text Type Value Need to be updated on the bases of the Above Give Scenairo - "Same" or "Multiple"Use Cases Values will be changed on Contact Location_1_copp refers to opportunityacc refers to Accountopp1- A1, opportunity 1- acc 1, acc 2 --> Multiple opp1 - acc 1 --> Same opp1 - acc 1, Opp2 - acc 1 --> Same opp1 - acc 1, Opp2 - null (no account) --> Same opp1 - acc 1, Opp2 - acc 2, opp3 - Null --> Multiple opp1 - Null, Opp2 - Null ---> Blank(None)