Fitnesse How to verify fields which are multiple selected dropdown list?

Hi all,

I have a question about Fitnesse.

How to verify fields which are multiple selected dropdown list?

I have used the following two ways, but it doesn't work:

| verify field | FIELD_LABEL or [FIELD_INDEX] or FIELD_LABEL[INDEX] | contains | VALUES() |
| verify field | FIELD_LABEL or [FIELD_INDEX] or FIELD_LABEL[INDEX] | contains value | VALUE |