Param(ws.QueryParameter("metrics_filter","The metric name filter consists of a regexp pattern. It specifies which metric data to return. For example, the following filter matches both container CPU usage and memory usage: `container_cpu_usage|container_memory_usage`. View available metrics at [kubesphere.io](https://docs.kubesphere.io/advanced-v2.0/zh-CN/api-reference/monitoring-metrics/).").DataType("string").Required(false)).