Salesforce Fact #216 | Be careful with multi select picklist

We need to be careful while dealing with multi-select picklist. If we have a multi select picklist with possible values as A,B,C and if by mistake we added B twice from code i.e. A;B;B; then it does not throw any error and it gets saved in the record and also with two B's instead of one. But it may cause unexpected results.

Attached are the screenshots.




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