class DefaultValue

Language	Type name
.NET	`Amazon.CDK.AWS.CloudWatch.DefaultValue`
Go	`github.com/aws/aws-cdk-go/awscdk/v2/awscloudwatch#DefaultValue`
Java	`software.amazon.awscdk.services.cloudwatch.DefaultValue`
Python	`aws_cdk.aws_cloudwatch.DefaultValue`
TypeScript (source)	`aws-cdk-lib` » `aws_cloudwatch` » `DefaultValue`

Default value for use in {@link DashboardVariableOptions}.

Example

import * as cw from 'aws-cdk-lib/aws-cloudwatch';

const dashboard = new cw.Dashboard(this, 'Dash', {
  defaultInterval: Duration.days(7),
  variables: [new cw.DashboardVariable({
    id: 'functionName',
    type: cw.VariableType.PATTERN,
    label: 'Function',
    inputType: cw.VariableInputType.RADIO,
    value: 'originalFuncNameInDashboard',
    // equivalent to cw.Values.fromSearch('{AWS/Lambda,FunctionName} MetricName=\"Duration\"', 'FunctionName')
    values: cw.Values.fromSearchComponents({
      namespace: 'AWS/Lambda',
      dimensions: ['FunctionName'],
      metricName: 'Duration',
      populateFrom: 'FunctionName',
    }),
    defaultValue: cw.DefaultValue.FIRST,
    visible: true,
  })],
});

Properties

Name	Type	Description
val	`any`
static FIRST	`DefaultValue`	A special value for use with search expressions to have the default value be the first value returned from search.

val

Type: any

static FIRST

Type: DefaultValue

A special value for use with search expressions to have the default value be the first value returned from search.

Methods

Name	Description
static value(value)	Create a default value.

static value(value)

public static value(value: any): DefaultValue

Parameters

value any — the value to be used as default.

Returns

DefaultValue

Create a default value.