docs-v2/content/v2.0/reference/flux/functions/monitor/from.md

title	description	menu	weight
monitor.from() function	The `monitor.from()` function retrieves check statuses stored in the `_monitoring` bucket.	v2_0_ref name parent monitor.from InfluxDB Monitor	202

The monitor.from() function retrieves check statuses stored in the _monitoring bucket.

Function type: Input

import "influxdata/influxdb/monitor"

monitor.from(
  start: -1h,
  stop: now(),
  fn: (r) => true
)

Parameters

start

The earliest time to include in results. Use a relative duration or absolute time. For example, -1h or 2019-08-28T22:00:00Z. Durations are relative to now().

Data type: Duration | Time

stop

The latest time to include in results. Use a relative duration or absolute time. For example, -1h or 2019-08-28T22:00:00Z. Durations are relative to now(). Defaults to now().

Data type: Duration | Time

{{% note %}} Time values in Flux must be in RFC3339 format. {{% /note %}}

fn

A single argument predicate function that evaluates true or false. Records or rows (r) that evaluate to true are included in output tables. Records that evaluate to null or false are not included in output tables.

Data type: Function

Examples

View critical check statuses from the last hour

import "influxdata/influxdb/monitor"

monitor.from(
  start: -1h,
  fn: (r) => r._level == "crit"
)