in src/alert/condition.ts [79:90]
onQuery(query: string, duration?: string, from?: string) {
if (typeof query !== 'string') {
throw Error(
'Query identifier must be a string. eg. "A" or "B", etc...'
);
}
this._query.params[0] = query;
this._query.params[1] = duration;
this._query.params[2] = from;
return this;
}