# GC.Spread.Sheets.Charts.TrendlineItem

## Content

# Interface: TrendlineItem

[Sheets](../modules/GC.Spread.Sheets).[Charts](../modules/GC.Spread.Sheets.Charts).TrendlineItem

## Table of contents

### Properties

- [backward](GC.Spread.Sheets.Charts.TrendlineItem#backward)
- [displayEquation](GC.Spread.Sheets.Charts.TrendlineItem#displayequation)
- [displayRSquared](GC.Spread.Sheets.Charts.TrendlineItem#displayrsquared)
- [fontColor](GC.Spread.Sheets.Charts.TrendlineItem#fontcolor)
- [fontFamily](GC.Spread.Sheets.Charts.TrendlineItem#fontfamily)
- [fontSize](GC.Spread.Sheets.Charts.TrendlineItem#fontsize)
- [forward](GC.Spread.Sheets.Charts.TrendlineItem#forward)
- [intercept](GC.Spread.Sheets.Charts.TrendlineItem#intercept)
- [name](GC.Spread.Sheets.Charts.TrendlineItem#name)
- [order](GC.Spread.Sheets.Charts.TrendlineItem#order)
- [period](GC.Spread.Sheets.Charts.TrendlineItem#period)
- [style](GC.Spread.Sheets.Charts.TrendlineItem#style)
- [type](GC.Spread.Sheets.Charts.TrendlineItem#type)

## Properties

### <a id="backward" name="backward"></a> backward

• `Optional` **backward**: `number`

The backward of the trendline.

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### <a id="displayequation" name="displayequation"></a> displayEquation

• `Optional` **displayEquation**: `boolean`

Whether display the equation of the trendline.

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### <a id="displayrsquared" name="displayrsquared"></a> displayRSquared

• `Optional` **displayRSquared**: `boolean`

Whether display the R squared of the trendline.

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### <a id="fontcolor" name="fontcolor"></a> fontColor

• `Optional` **fontColor**: `string`

The fontColor of the trendline.

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### <a id="fontfamily" name="fontfamily"></a> fontFamily

• `Optional` **fontFamily**: `string`

The fontFamily of the trendline.

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### <a id="fontsize" name="fontsize"></a> fontSize

• `Optional` **fontSize**: `number`

The fontSize of the trendline.

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### <a id="forward" name="forward"></a> forward

• `Optional` **forward**: `number`

The forward of the trendline.

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### <a id="intercept" name="intercept"></a> intercept

• `Optional` **intercept**: `number`

The intercept of the trendline.

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### <a id="name" name="name"></a> name

• `Optional` **name**: `string`

The name of the trendline.

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### <a id="order" name="order"></a> order

• `Optional` **order**: `number`

The order of the polynomial trendline.

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### <a id="period" name="period"></a> period

• `Optional` **period**: `number`

The period of the movingAverage trendline.

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### <a id="style" name="style"></a> style

• `Optional` **style**: [`ILineStyle`](GC.Spread.Sheets.Charts.ILineStyle)

The line style of the trendline.

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### <a id="type" name="type"></a> type

• `Optional` **type**: [`TrendlineType`](../enums/GC.Spread.Sheets.Charts.TrendlineType)

The type of the trendline.