anyone here have an example of a search for payment instruments in SS 2.X? keep getting invalid filter error, and not sure what i am doing wrong?

var pmtCardTknSrch = search.create({
        type: search.Type.PAYMENT_INSTRUMENT,
        filters: [
          ['type', 'anyof', 'paymentcardtoken'],
          'AND',
          ['mainline', 'is', 'T'],
          'AND',
          ['entity', 'anyof', customer]
        ],
        columns: [
          search.createColumn({ name: 'paymentmethod', label: 'Payment Method' }),
          search.createColumn({ name: 'cardlastfourdigits', label: 'Last Four Digits' }),
          search.createColumn({ name: 'cardexpirationdate', label: 'Expiration Date' })
        ]
      });