Example of custom study meta info in Trading View Charting LIbrary

envelope-metainfo.js

{
	_metainfoVersion: 27,
	isTVScript: false,
	isTVScriptStub: false,
	is_hidden_study: false,
	defaults: {
		styles: {
			plot_0: {
				linestyle: 0,
				linewidth: 1,
				plottype: 0,
				trackPrice: false,
				transparency: 35,
				visible: true,
				color: '#FF7F00'
			},
			plot_1: {
				linestyle: 0,
				linewidth: 1,
				plottype: 0,
				trackPrice: false,
				transparency: 35,
				visible: true,
				color: '#0000FF'
			},
			plot_2: {
				linestyle: 0,
				linewidth: 1,
				plottype: 0,
				trackPrice: false,
				transparency: 35,
				visible: true,
				color: '#0000FF'
			}
		},
		precision: 4,
		filledAreasStyle: {
			fill_0: {
				color: '#0000FF',
				transparency: 90,
				visible: true
			}
		},
		inputs: {
			in_0: 20,
			in_1: 10,
			in_2: false
		}
	},
	plots: [{
		id: 'plot_0',
		type: 'line'
	}, {
		id: 'plot_1',
		type: 'line'
	}, {
		id: 'plot_2',
		type: 'line'
	}],
	styles: {
		plot_0: {
			title: 'Median',
			histogramBase: 0,
			joinPoints: false
		},
		plot_1: {
			title: 'Upper',
			histogramBase: 0,
			joinPoints: false
		},
		plot_2: {
			title: 'Lower',
			histogramBase: 0,
			joinPoints: false
		}
	},
	description: 'Envelope',
	shortDescription: 'Env',
	is_price_study: true,
	filledAreas: [{
		id: 'fill_0',
		objAId: 'plot_1',
		objBId: 'plot_2',
		type: 'plot_plot',
		title: 'Plots Background'
	}],
	inputs: [{
		id: 'in_0',
		name: 'Length',
		defval: 20,
		type: 'integer',
		min: 1,
		max: 2000
	}, {
		id: 'in_1',
		name: 'percent',
		defval: 10,
		type: 'float',
		min: -1000000000000,
		max: 1000000000000
	}, {
		id: 'in_2',
		name: 'exponential',
		defval: false,
		type: 'bool'
	}],
	id: 'Envelope@tv-basicstudies-1',
	scriptIdPart: '',
	name: 'Envelope'
}