changeVariables method
The method changeVariables receives a Map
query value will be it's own value but setting variables
as variables
received
if changeVariablesF is different from null, runs changeVariablesF
call method
Implementation
Future changeVariables(Map<String, dynamic> variables) async {
_query = _query.copyWith(variables: variables);
if (changeVariablesF != null) {
changeVariablesF?.call(this);
}
}