Used to exclude fields, can used togheter with includeField and onFieldValueChange or onNextStep to replace conditions.
The normal instance of excludeField will be the following:
formsApi.excludeField('fieldName')
In the case of multiple steps where field names occour twice or more, the input parameter can be extended with @{stepindex} to target the field on a specific step.
formsApi.excludeField('fieldName@1')