GlassfyTransaction has wrong field for productId

[a-zen]

Hi, the GlassfyTransaction has an incorrect definition for the product identifier.

current definition: readonly productIdentifier: String;

response I get from Glassfy.purchaseSku:

{
  //
  "productId": "sku_id"
  //
}

can you please check the definition and update it?

Thank you.