anybody have user the render.addCustomDataSource? I am adding an array of objects but when I run the script I get

You have supplied an invalid value for data format: JSON: A JSONObject text must begin with '{' at 1

. Tried using

render.DataSource.JSON

and

render.DataSource.OBJECT

but get the same error.

the error is suggesting that you need to pass in a object and not an array.

I've seen this before. That API doesn't think arrays are valid JSON, so you can just put the array as a property of an object and pass the object.

// you have this
var array = [...];

// do this
var obj = { arr: array };
render.addCustomDataSource(... obj ...);