Trigger to Generate Random Non Sequential Unique number in Salesforce

Kapil December 16, 2020

 In this article we will do some workaround to generate a Random Non Sequential number using trigger.

We will create a after insert trigger on Lead object to generate the random number value. Please follow below steps : 

Step 1 : Create a custom number field to store the Random ID

Step 2: Create  a custom auto number field with format like 00001

Step 3: Create a after insert trigger as shown below : 

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trigger generateRandomId on Lead(after insert) {
    List<Lead> leadList = [SELECT Id,AutoId__c FROM Lead where Id in:Trigger.New];
    for(Lead l: leadList)
    {
        if(trigger.isAfter && trigger.isInsert){
            String str = string.valueof(Math.abs(Crypto.getRandomLong()));
            String randomNumber1 = str.substring(0, 4);
            str = string.valueof(Math.abs(Crypto.getRandomLong()));
            String randomNumber2 = str.substring(0, 4);
            l.Sorting_Variable__c= randomNumber1+l.AutoId__c+randomNumber2;
            
        }
        
    }
    update leadList;
}

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Thanks
Keep Coding 





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