experimental.json

"FloatProperties":{
   "_Bulge":2.25,
   "_DisplacementAmount":1.45,
   "_DisplacementExponent":2.84,
   "_EmissionScroll1":15.0,
   "_EmissionScroll2":-10.0,
   "_FlameFadeMax":30.0,
   "_FlameFadeMin":8.53,
   "_Metallic":0.0,
   "_NumSides":4.0,
   "_Smoothness":1.0,
   "_SqueezeAmount":0.873,
   "_StretchDistortionExponent":1.73,
},
"TextureProperties":{
   "_DisplaceTex":"",
   "_SpecTex":""
},

master_brush.json

{
   "Audio":{
      "IsAudioReactive":false,
      "MaxPitchShift":0.03,
      "MaxVolume":0.45,
      "VolumeDownSpeed":1.8,
      "VolumeUpSpeed":0.7,
      "VolumeVelocityRangeMultiplier":2.0
   },
   "Author":"Open Brush",
   "BrushDescriptionVersion":1,
   "ButtonIcon":"blank.png",
   "Color":{
      "LuminanceMin":0.0,
      "Opacity":1.0,
      "PressureOpacityRange":[
         1.0,
         1.0
      ],
      "SaturationMax":1.0
   },
   "CopyRestrictions":"EmbedAndShare",
   "Description":"Wire",
   "Export":{
      "AllowExport":true,
      "EmissiveFactor":0.0
   },
   "ExtraDescription":"",
   "GUID":"4391385a-cf83-4396-9e33-31e4e4930b27",
   "Material":{
      "ColorProperties":{
         "_Color":[
            1.0,
            1.0,
            1.0,
            1.0
         ],
         "_SpecColor":[
            0.1397059,
            0.1397059,
            0.1397059,
            0.0
         ],
         "_TintColor":[
            1.0,
            1.0,
            1.0,
            1.0
         ]
      },
      "FloatProperties":{
         "_BaseGain":0.4,
         "_Cutoff":0.067,
         "_DisplacementIntensity":0.02,
         "_EmissionGain":0.517857134,
         "_OutlineMax":0.005,
         "_Scroll1":1.0,
         "_Scroll2":3.0,
         "_ScrollJitterFrequency":12.0,
         "_ScrollJitterIntensity":0.1,
         "_ScrollRate":0.2,
         "_Shininess":0.85,
         "_SparkleRate":5.3,
         "_Speed":1.0,
         "_SpreadRate":1.539,
         "_WaveformFreq":0.1
      },
      "Shader":"Brush/Special/Unlit",
      "TextureAtlasV":1,
      "TextureProperties":{
         "_AlphaMask":"",
         "_BumpMap":"",
         "_MainTex":"",
         "_SecondaryTex":""
      },
      "TileRate":0.15,
      "UseBloomSwatchOnColorPicker":false,
      "VectorProperties":{
         "_ScrollDistance":[
            0.0,
            -3.0,
            0.0,
            1.0
         ],
         "_WaveformIntensity":[
            0.0,
            15.0,
            0.0,
            0.0
         ]
      }
   },
   "Misc":{
      "BackIsInvisible":false,
      "BackfaceHueShift":0.0,
      "BoundsPadding":0.0,
      "PlaybackAtStrokeGranularity":false,
      "RenderBackFaces":false
   },
   "Name":"Wire",
   "Particle":{
      "InitialRotationRange":0.0,
      "RandomizeAlpha":false,
      "Rate":1.0,
      "Speed":0.0
   },
   "QuadBatch":{
      "PositionVariance":0.0,
      "RotationVariance":360.0,
      "SizeRatio":[
         1.0,
         1.0
      ],
      "SprayRateMultiplier":1.0
   },
   "Simplification":{
      "HeadMinPoints":5,
      "HeadPointStep":1,
      "MiddlePointStep":0,
      "SupportsSimplification":true,
      "TailMinPoints":1,
      "TailPointStep":1
   },
   "Size":{
      "BrushSizeRange":[
         0.025,
         1.0
      ],
      "PressureSizeRange":[
         0.1,
         1.0
      ],
      "PreviewPressureSizeMin":0.001,
      "SizeVariance":0.0
   },
   "Tube":{
      "MinLength":0.002,
      "StoreRadiusInTexCoord":true
   },
   "VariantOf":""
}

schema.yaml

---
Audio:
  IsAudioReactive: [bool]
  MaxPitchShift: [float]
  MaxVolume: [float]
  VolumeDownSpeed: [float]
  VolumeUpSpeed: [float]
  VolumeVelocityRangeMultiplier: [float]
Author: [string]
BrushDescriptionVersion: [int]
ButtonIcon: [image]
Color:
  LuminanceMin: [float]
  Opacity: [float]
  PressureOpacityRange: [min, max]
  SaturationMax: [float]
CopyRestrictions: [EmbedAndShare|EmbedAndDoNotShare|DoNotEmbed]
Description: [string]
Export:
  AllowExport: [bool]
  EmissiveFactor: [float]
ExtraDescription: [string]
GUID: [guid]
Material:
  ColorProperties:
    _Color: [rgba]
    _SpecColor: [rgba]
    _TintColor: [rgba]
  FloatProperties:
    _BaseGain: [float]
    _Cutoff: [float]
    _DisplacementIntensity: [float]
    _EmissionGain: [float]
    _OutlineMax: [float]
    _Scroll1: [float]
    _Scroll2: [float]
    _ScrollJitterFrequency: [float]
    _ScrollJitterIntensity: [float]
    _ScrollRate: [float]
    _Shininess: [float]
    _SparkleRate: [float]
    _Speed: [float]
    _SpreadRate: [float]
    _WaveformFreq: [float]
  Shader: Brush/Special/Unlit
  TextureAtlasV: [float]
  TextureProperties:
    _AlphaMask: [image]
    _BumpMap: [image]
    _MainTex: [image]
    _SecondaryTex: [image]
  TileRate: [float]
  UseBloomSwatchOnColorPicker: [bool]
  VectorProperties:
    _ScrollDistance: [vector4]
    _WaveformIntensity: [vector4]
Misc:
  BackIsInvisible: [bool]
  BackfaceHueShift: [float]
  BoundsPadding: [float]
  PlaybackAtStrokeGranularity: [bool]
  RenderBackFaces: [bool]
Name: [string]
Particle:
  InitialRotationRange: [float]
  RandomizeAlpha: [bool]
  Rate: [float]
  Speed: [float]
QuadBatch:
  PositionVariance: [float]
  RotationVariance: [float]
  SizeRatio: [min,max]
  SprayRateMultiplier: [float]
Simplification:
  HeadMinPoints: [float]
  HeadPointStep: [float]
  MiddlePointStep: [float]
  SupportsSimplification: [bool]
  TailMinPoints: [float]
  TailPointStep: [float]
Size:
  BrushSizeRange: [min, max]
  PressureSizeRange: [min, max]
  PreviewPressureSizeMin: [float]
  SizeVariance: [float]
Tube:
  MinLength: [float]
  StoreRadiusInTexCoord: [bool]
VariantOf: [string]