OneSignal::FilterExpressions Properties Name Type Description Notes field String Name of the field to use as the first operand in the filter expression. key String If `field` is `tag`, this field is required to specify `key` inside the tags. [optional] value String Constant value to use as the second operand in the filter expression. This value is required when the relation operator is a binary operator. [optional] relation String Operator of a filter expression. operator String Strictly, this must be either `"OR"`, or `"AND"`. It can be used to compose Filters as part of a Filters object. [optional] Example require 'onesignal' instance = OneSignal::FilterExpressions.new( field: null, key: null, value: null, relation: null, operator: null )