1. Click Case
2. Click When - you'll then get another pop-up screen to determine:
WHEN
1. Select Field e.g. State
2. Select Operator e.g. =
3. Type in a value for the field e.g. North Territory
4. Select Add
THEN
5. Type in a value for the answer you want displayed when the above is true
6. Select Add
7. Select Save to return to the formula screen
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8. Continue adding more When statements as required, e.g. When State = 'Victoria' Then 'VIC'.
ELSE
9. When you've finished adding When statements, you may choose to add an Else statement to cover any other possible outcomes
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END
10. Once done, ensure you add an End to close the Case When argument. You'll get an error if you don't.