In Salesforce, you can create a field that is a multi-select picklist. To update these fields, use a text single-value attribute in Openprise that contains your picklist values separated by semicolons.
If you have a text multi-value attribute in Openprise that contains your data, you can use the Change attribute type task to convert to a text single-value attribute. Remember to specify ";" as the separator.
If you are adding new picklist values to existing values, make sure that your attribute in Openprise contains the current value and the new values separated by semi colon (;)