Rules allow you to apply different sets of attributes to only the parts of your chart that meet the prerequisites listed in your rules. For example, if you wanted to apply differently styled guide lines to everything below zero on your scale-y, rules can help you do that. In the demo, notice that the guide lines below zero are red; this is because there is a rule that states that for all scale-y values less than 0, guidelines will appear as solid red lines (with an alpha value of 0.4 for a bit of transparency).

Refer to the Rules Tutorial for more information.

...
'scale-y': {
  guide: {
    rules: [
      {
        rule: "%v<0",
        'line-color': "red",
        'line-style': "solid"
      },
      {
        rule: "%v=0",
        'line-style': "solid",
        'line-color': "#c7c7c7"
      }
    ]
  }
}
...

Attribute	Type	Description
alpha	Number	Sets the opacity on the marker, with 0 being fully transparent and 1 being fully opaque. Note that decimal value requires the leading 0. Default Value: 1
angle	Number	Sets the rotation angle of the object.
angleEnd angle-end	Number	Sets the end angle of a pie shape. Default Value: 360
angleStart angle-start	Number	Sets the beginning angle of a pie shape. Default Value: 0
backgroundClip background-clip	Boolean	Clips the background image to the margins of the shape/box. Default Value: true
backgroundColor background-color	String	Sets the background color of the object. Colors can be entered by name (e.g., "purple", "blue"), hexadecimal notation (e.g., "#666699", #33ccff"), or RGB notation (e.g., "rgb(255,0,0)", "rgb(0,0,255)") Default Value: null
backgroundColor1 background-color-1	String	Sets the first color of a 2 color background gradient of the object. To be used with background-color-2. Default Value: null
backgroundColor2 background-color-2	String	Sets the second color of a 2 color background gradient of the object. To be used with background-color-1. Default Value: null
backgroundFit background-fit	String	Sets the direction/s on which the background image is being "stretched". Default Value: ''
backgroundImage background-image	String	Sets a background image for the object. Value can be a local file or a web image's location. For patterns, the available patterns are: [`${string}`, 'PATTERN_BACKWARD_DIAGONAL', 'PATTERN_DARK_DOWNWARD_DIAGONAL', 'PATTERN_DARK_HORIZONTAL', 'PATTERN_DARK_UPWARD_DIAGONAL', 'PATTERN_DARK_VERTICAL', 'PATTERN_DASHED_DOWNWARD_DIAGONAL', 'PATTERN_DASHED_HORIZONTAL', 'PATTERN_DASHED_UPWARD_DIAGONAL', 'PATTERN_DASHED_VERTICAL', 'PATTERN_DIAGONAL_BRICK', 'PATTERN_DIAGONAL_CROSS', 'PATTERN_DIVOT', 'PATTERN_DOTTED_DIAMOND', 'PATTERN_DOTTED_GRID', 'PATTERN_FORWARD_DIAGONAL', 'PATTERN_HORIZONTAL', 'PATTERN_HORIZONTAL_BRICK', 'PATTERN_LARGE_CHECKER_BOARD', 'PATTERN_LARGE_GRID', 'PATTERN_LIGHT_DOWNWARD_DIAGONAL', 'PATTERN_LIGHT_HORIZONTAL', 'PATTERN_LIGHT_UPWARD_DIAGONAL', 'PATTERN_LIGHT_VERTICAL', 'PATTERN_NARROW_HORIZONTAL', 'PATTERN_NARROW_VERTICAL', 'PATTERN_OUTLINED_DIAMOND', 'PATTERN_PLAID', 'PATTERN_SHADE_25', 'PATTERN_SHADE_50', 'PATTERN_SHADE_75', 'PATTERN_SHINGLE', 'PATTERN_SMALL_CHECKER_BOARD', 'PATTERN_SMALL_GRID', 'PATTERN_SOLID_DIAMOND', 'PATTERN_SPHERE', 'PATTERN_TRELLIS', 'PATTERN_VERTICAL', 'PATTERN_WAVE', 'PATTERN_WEAVE', 'PATTERN_WIDE_DOWNWARD_DIAGONAL', 'PATTERN_WIDE_UPWARD_DIAGONAL', 'PATTERN_ZIGZAG']. Accepted Values: ['PATTERN_BACKWARD_DIAGONAL', 'PATTERN_DARK_DOWNWARD_DIAGONAL', 'PATTERN_DARK_HORIZONTAL', 'PATTERN_DARK_UPWARD_DIAGONAL', 'PATTERN_DARK_VERTICAL', 'PATTERN_DASHED_DOWNWARD_DIAGONAL', 'PATTERN_DASHED_HORIZONTAL', 'PATTERN_DASHED_UPWARD_DIAGONAL', 'PATTERN_DASHED_VERTICAL', 'PATTERN_DIAGONAL_BRICK', 'PATTERN_DIAGONAL_CROSS', 'PATTERN_DIVOT', 'PATTERN_DOTTED_DIAMOND', 'PATTERN_DOTTED_GRID', 'PATTERN_FORWARD_DIAGONAL', 'PATTERN_HORIZONTAL', 'PATTERN_HORIZONTAL_BRICK', 'PATTERN_LARGE_CHECKER_BOARD', 'PATTERN_LARGE_GRID', 'PATTERN_LIGHT_DOWNWARD_DIAGONAL', 'PATTERN_LIGHT_HORIZONTAL', 'PATTERN_LIGHT_UPWARD_DIAGONAL', 'PATTERN_LIGHT_VERTICAL', 'PATTERN_NARROW_HORIZONTAL', 'PATTERN_NARROW_VERTICAL', 'PATTERN_OUTLINED_DIAMOND', 'PATTERN_PLAID', 'PATTERN_SHADE_25', 'PATTERN_SHADE_50', 'PATTERN_SHADE_75', 'PATTERN_SHINGLE', 'PATTERN_SMALL_CHECKER_BOARD', 'PATTERN_SMALL_GRID', 'PATTERN_SOLID_DIAMOND', 'PATTERN_SPHERE', 'PATTERN_TRELLIS', 'PATTERN_VERTICAL', 'PATTERN_WAVE', 'PATTERN_WEAVE', 'PATTERN_WIDE_DOWNWARD_DIAGONAL', 'PATTERN_WIDE_UPWARD_DIAGONAL', 'PATTERN_ZIGZAG', `${string}`] Default Value: ''
backgroundPosition background-position	String	Sets the position of the background when the background-repeat value is no-repeat. Default Value: '50% 50%'
backgroundRepeat background-repeat	Boolean, String	Sets the repeating mode for the background image. Default Value: 'repeat'
backgroundScale background-scale	Number	Scales the background image using the specified ratio. Default Value: 1
border	Number	Sets the border width of the object. Can be a single value or a string of values, setting the values in the order "top right bottom left"
borderAlpha border-alpha	Number	Sets the transparency level of the border on the object. Values must range between 0.0 and 1.0, with 0.0 being completely transparent and 1.0 being completely opaque. Note that values require the leading 0 before the decimal point. Default Value: 1 Introduced in: v2.1.1
borderBottom border-bottom	Number	Sets the object's bottom border style. Accepts solid, dashed, and dotted styles. Default Value: ''
borderColor border-color	String	Sets the border color of the object. Default Value: '#000'
borderLeft border-left	Number	Sets the object's left border style. Accepts solid, dashed, and dotted styles.
borderRadius border-radius	Number	Sets the object's border radius for rounded corners. Larger values create rounder corners, while smaller values create sharper corners. A single value will affect all 4 corners; multiple values will have separate effects on each corner, with the first value affecting the top-left corner, the second value affecting the top-right corner, and so on, in a clockwise direction. A negative value will cut a corner off without rounding. Default Value: 0
borderRadiusBottomLeft border-radius-bottom-left	Number	Sets the object's bottom-left border radius for rounded corners. Larger values create rounder corners, while smaller values create sharper corners. A negative value will cut a corner off without rounding. Default Value: 0
borderRadiusBottomRight border-radius-bottom-right	Number	Sets the object's bottom-right border radius for rounded corners. Larger values create rounder corners, while smaller values create sharper corners. A negative value will cut a corner off without rounding. Default Value: 0
borderRadiusTopLeft border-radius-top-left	Number	Sets the object's top-left border radius for rounded corners. Larger values create rounder corners, while smaller values create sharper corners. A negative value will cut a corner off without rounding. Default Value: 0
borderRadiusTopRight border-radius-top-right	Number	Sets the object's top-right border radius for rounded corners. Larger values create rounder corners, while smaller values create sharper corners. A negative value will cut a corner off without rounding. Default Value: 0
borderRight border-right	Number	Sets the object's right border style. Accepts solid, dashed, and dotted styles. Default Value: ''
borderTop border-top	Number	Sets the object's top border style. Accepts solid, dashed, and dotted styles. Default Value: ''
borderWidth border-width	Number	Sets the border width of the object. Default Value: 0
fillAngle fill-angle	Number	Sets the angle of the axis along which the linear gradient is drawn. Default Value: 90
fillOffsetX fill-offset-x	Number	Sets an X offset to apply to the fill. Default Value: 0
fillOffsetY fill-offset-y	Number	Sets a Y offset to apply to the fill. Default Value: 0
fillType fill-type	String	Sets the background gradient fill type to either linear or radial. Accepted Values: ['linear', 'none', 'radial'] Default Value: 'linear'
gradientColors gradient-colors	String	Sets a set of colors for a complex background gradient consisting of 2 or more colors. To be used with gradient-stops. Default Value: ''
gradientStops gradient-stops	String	Sets the gradient stops for a complex background gradient consisting of 2 or more colors. To be used with gradient-colors. Default Value: ''
layout	String	Defines the layout of the items of the object. Accepted Values: ['auto'] Introduced in: v2.8.1 Chart types: Sunburst
lineGapSize line-gap-size	Number	Can be used to create custom dashed or dotted lines when used with line-segment-size. This will control the size of the gaps between each line segment. Default Value: 0
lineSegmentSize line-segment-size	Number	Can be used to create custom dashed or dotted lines when used with line-gap-size. This will control the size of the visible segment of line. Default Value: 0
lineStyle line-style	String	Sets the line style of the object. Accepted Values: ['dashdot', 'dashed', 'dotted', 'solid'] Default Value: ''
lineWidth line-width	Number	Sets the line width of the object, applicable on non-closed shapes. See also border-width for closed shapes. Default Value: 0 Chart types: Line
offsetR offset-r	Number	Sets an R offset to apply when positioning the object. Default Value: 0 Chart types: Pie
offsetX offset-x	Number	Sets an x-offset to apply when positioning the object.
offsetY offset-y	Number	Sets an y-offset to apply when positioning the object.
offsetZ offset-z	Number	Sets a Z offset to apply when positioning the object. Default Value: 0
rule	String	The criteria to check for to apply the corresponding styling.
samplingStep sampling-step	Number	By default, ZingChart uses sampling when rendering large datasets. If you are trying to render 10000 data points on a chart which is only 500px wide, there is not enough space for each data point. ZingChart will automatically determine which data points to show. The "sampling-step": attribute allows you to set the step for sampling. For example, if you have 10000 data points and set "sampling-step":10, it will show points 1,10,20,... Also note the "exact": true attribute if you want to force all data points. Default Value: null
scales	String	Specifies the scales in a comma-separated string used by the plot item. Example: 'scale-x,scale-y' or 'scale-x, scale-y-2'. Default Value: []
shadow	Boolean	Sets whether the object's shadow is visible or not. Has limited effect on HTML5 implementation. Default Value: false
shadowAlpha shadow-alpha	Number	Sets the transparency of the shadow of the object. The higher the value, the less transparent the shadow will be. Default Value: 0.75
shadowAngle shadow-angle	Number	Sets the angle of the shadow underneath the object. Default Value: 45
shadowBlur shadow-blur	Number	Sets the blur effect size for the shadow of the object. Has limited effect on HTML5 implementation. Default Value: 0
shadowColor shadow-color	String	Sets the color of the shadow of the object. Default Value: '#999'
shadowDistance shadow-distance	Number	Sets the distance between the shadow and the object. Default Value: 2