1. Navigate to the src\validations.
2. Create a copy of the basic strategy folder and rename it to the name of your voting validation.
3. Customize the logic of your voting validation.
If you are not sure about theValidation class, have a look at its definition:
https://github.com/snapshot-labs/score-api/blob/master/src/strategies/validations/validation.ts
The validation name has to be included in the index.ts in the validationClasses variable.