Script Editor

The script editor is where you write and debug AIScript code. While you can write code in any text editor, this editor offers some special features:

• It highlights AIScript syntax, making it easier for you to read the code.
• Relevant tips will be displayed when you hover over certain code.
• The process of writing, compiling, and running code is very convenient; when you save the code, the script will immediately update on the chart.

To open the script editor, click on the "Custom Indicators/Live/Backtest" option at the bottom of the page. This will open a script editing window.

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Your First Custom Indicator

Next, we will create a simple AIScript indicator. This indicator will simulate a simple moving average:

// @version=2

length = 14

maVal = ma(close, length)

plot(maVal, color = 'green')

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• First, click the "New" menu in the upper right corner of the editor.
• Copy the example code above.
• Select all the default code displayed in the editor and replace it with the example code.
• Click the "Save" button and give your script a name. Your script is now saved in the cloud and is only visible to you.
• Click the "Add to Chart" button. You will see a green simple moving average on the chart.

Your first custom AIScript indicator is now running on the chart. Each line of code is explained as follows:

Line 1: // @version=2

This is a comment used to indicate to the compiler that this script uses version 2 of AIScript.

Line 2: length = 14

Defines a variable length, representing the time period for the moving average.

Line 3: maVal = ma(close, length)

Calculates the simple moving average (MA) of the closing price.

Line 4: plot(maVal, color = 'green')

Uses the plot function to draw maVal and sets the color to green.

Next, you can visit our Next Steps page to continue learning.

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