Method getMetric

packages/firebase-performance/common.ts:17–17

(metricName: string)

export interface ITrace {
	getAttribute(attribute: string): string | null;
	getMetric(metricName: string): number;
	getMetrics(): { [key: string]: number };
	incrementMetric(metricName: string, incrementBy: number): void;
	putAttribute(attribute: string, value: string): void;