OptionalangleNumeric value used to rotate the symbol. The symbol is rotated counter-clockwise. For example, The following, angle=-30, in will create a symbol rotated -30 degrees counter-clockwise; that is, 30 degrees clockwise.
OptionalcolorColor is represented as a four-element array. The four elements represent values for red, green, blue, and alpha in that order. Values range from 0 through 255. If color is undefined for a symbol, the color value is null.
OptionaloutlineSets the outline of the marker symbol.
OptionalsizeNumeric size of the symbol given in pixels.
OptionalstyleThe marker style.
The type of symbol. See SymbolJsonType.
OptionalxoffsetNumeric value indicating the offset on the x-axis in pixels.
OptionalyoffsetNumeric value indicating the offset on the y-axis in pixels.
Simple marker symbols can be used to symbolize point geometries.
See https://developers.arcgis.com/web-map-specification/objects/esriSMS_symbol/.