1. Click on `+` icon to the right of `Fields header`
2. [**Optional**] On the dropdown modal, enter the field name.
2. On the dropdown modal, enter the field name (Optional).
3. Select the field type as `MultiSelect` from the dropdown.
4. Click on `Add option` button to add options.
5. [**Optional**] Set default value for the field. The options are populated in the dropdown. Since its multi select, you can select multiple options as default value.
5. Set default value for the field. The options are populated in the dropdown. Since its multi select, you can select multiple options as default value (Optional).