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Querying A Record To update a record, you must first have a copy of a record in memory. This means you need a CampaignMember object to update: CampaignMember queriedCampaign = [SELECT ID FROM CampaignMember WHERE CampaignID = :campId AND Email = :email LIMIT 1]; Assignment In general, you declare and assign values in the form of: DataType variableName [=...


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SOQL within for loops is an easy way to hit your governor limits and doesn't follow best practice. This link on Apex Best Practices is a good place to start :) To avoid using SOQL inside a for loop I find maps the easiest to work with. The solution would look something like this. // by using just the before triggers we can update the value of SAP_Matrix__c ...


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