Create Horizontal Ray in TradingView from browser console

console.js

function createHorizontalRay(epoch, price) {
	window.c = window.TradingViewApi.activeChart();
	// Ht
	window.ht = window.c._chartWidget.paneWidgets()[0];
	// l = chart undo model
	window.chartModel = window.c._chartWidget._model

	var point = {index: epochToCandleIndex(epoch), price: price};
	var linetool = 'LineToolHorzRay';
	window.chartModel.createLineTool({
	    pane: window.ht.state(),
	    point,
	    linetool,
	});

	function epochToCandleIndex(epoch) {
		var chartModel = window.chartModel;
		var coord = chartModel.timeScale().timeToCoordinate(epoch)
		return chartModel.timeScale().coordinateToIndex(coord)	
	}
}

example.js

createHorizontalRay(1680447654, 1.1)