# Interface Y2Axis

#### Hierarchy

- Y2Axis

#####
Index

### Properties

alignTickMarks
axisLine
baselineScaling
dataMax
dataMin
majorTick
max
maxSize
min
minStep
minorStep
minorTick
position
referenceObjects
rendered
scale
size
step
tickLabel
title
titleStyle

## Properties

### alignTickMarks

alignTickMarks: string

Defines whether the tick marks of the y1 and y2 axes are aligned. Not supported for logarithmic axes.

### axisLine

axisLine: Y2AxisAxisLine

An object defining properties for the axis line.

### baselineScaling

baselineScaling: string

Defines whether the axis baseline starts at the minimum value of the data or at zero. Only applies to numerical data axes.

### dataMax

dataMax: number

Normally the chart code must go through the data to calculate the max value, which is in turn used to generate the axis max. If the max value is already known then the max value calculation can be avoided by setting dataMax, which improves performance.

### dataMin

dataMin: number

The minimum data value corresponding to an axis. If specified, the automatic axis extent calculation will use this value. Only applies to numerical axes.

### majorTick

majorTick: Y2AxisMajorTick

An object defining properties for the major tick marks.

### max

max: number

The maximum value of the axis. Defaults to null for automatic calculation based on the data.

### maxSize

maxSize: string

Defines the maximum size of the axis in pixels (e.g. '50px') or percent (e.g. '15%').

### min

min: number

The minimum value of the axis. Defaults to null for automatic calculation based on the data.

### minStep

minStep: number

The minimum increment between major tick marks. This is typically used to prevent fractional axis values for discrete measures. Only applies to numerical axes.

### minorStep

minorStep: number

The increment between minor tick marks. Defaults to null for automatic calculation based on the data. Only applies to numerical axes. See the Help documentation for more information.

### minorTick

minorTick: Y2AxisMinorTick

An object defining properties for the minor tick marks.

### position

position: string

The position of the axis relative to its content. For vertical charts, only start and end apply. For horizontal charts, only top and bottom apply.

### referenceObjects

referenceObjects: Y2AxisReferenceObjects[]

The array of reference objects associated with the axis.

### rendered

rendered: string

Defines whether the axis is rendered.

### scale

scale: string

Defines the axis scale. Only applies to numerical axes.

### size

size: string

Defines the size of the axis in pixels (e.g. '50px') or percent (e.g. '15%').

### step

step: number

The increment between major tick marks. Defaults to null for automatic calculation based on the data. Only applies to time and numerical axes. See the Help documentation for more information.

### tickLabel

tickLabel: Y2AxisTickLabel

An object defining the properties of the tick labels.

### title

title: string

The axis title. Does not apply to polar charts.

### titleStyle

titleStyle: object

The CSS style object defining the style of the axis title.

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