Lens Config Builder API - Metric

import Dataset from './dataset.mdx'; import Breakdown from './breakdown.mdx';

Understanding LensMetricConfig in detail

Required Properties

chartType

• Type: Fixed value 'metric'
• Description: Sets the chart type to metric.

title

• Type: string
• Description: The title of the visualization.

value

• Type: LensLayerQuery
• Description: A field to use for the value if the dataset is ESQL or Datatable or LensFormula is dataset is an index pattern.

Optional Properties

label

• Type: string
• Description: Provides a descriptive label for the displayed metric, enhancing the chart's interpretability by offering additional details about the metric.

querySecondaryMetric

• Type: LensLayerQuery
• Description: Allows specifying a secondary metric, same as value it should be the name of field or lens formula.

queryMaxValue

• Type: LensLayerQuery
• Description: Used to define a query for calculating a maximum value, same as value it should be the name of field or lens formula.

trendLine

• Type: boolean
• Description: When set to true, indicates that a trend line should be displayed, providing a visual indication of how the metric has changed over time.

subtitle

• Type: string
• Description: An optional subtitle for the chart, which can be used to provide additional context, explanatory notes, or any supplementary information that aids in understanding the metric.

Example

const config: LensConfig = {
  chartType: 'metric',
  title: 'Total Sales',
  dataset: {
    esql: 'from myindex | stats totalSales = sum(sales_field)',
  },
  value: 'totalSales',
  label: 'Total Sales Value',
};
const configBuilder = new LensConfigBuilder(dataViewsAPI, lensFormulaAPI);
const lensConfig = configBuilder(config, { 
  timeRange: { from: 'now-30d', to: 'now', type: 'relative' },
  embeddable: true,
}