//@version=5

indicator("My study", max_labels_count=500, overlay=true)

​

// Define arrays of undefined size, so you can add many datapoints

var float[]     prices  = array.new_float()

var string[]    ids     = array.new_string()

var int[]       date    = array.new_int()

​

// Function to add data to the arrays

f_data(_price, _id, _date) =>

    array.push(prices, _price)

    array.push(ids, _id)

    array.push(date, _date)

​

// Function to create a label

f_label(_idx) => 

    labelText = "TRADE: " + array.get(ids, _idx) + "\n\n BUY: " + str.tostring(array.get(prices, _idx))

    label.new(array.get(date, _idx), array.get(prices, _idx), labelText, xloc.bar_time, yloc.belowbar, color=color.red, textcolor=color.white, style=label.style_label_up)

​

// Enter data into the arrays on the first bar only. 

// No need to do it on every bar (for performance).

if barstate.isfirst

    // You don't need to use the epoch time integer, you can also use the timestamp() function

    f_data(8, 'CF442W',  timestamp(2022, 01, 10, 0, 0, 0))

    f_data(6, 'WI211KK', timestamp(2021, 05, 23, 0, 0, 0))

​

// Create the labels on the chart's last bar

if barstate.islast

    for i = 0 to array.size(ids) - 1

        f_label(i)