How to Populate Customer or Product Picker Created via API

If you do not use the standard Customer or Product picker but you create your own api.product() or api.customer() picker, you must explicitly retrieve the product or customer list – it is not done automatically.

The following example shows how to populate Customer input from a header logic:

cProcessor.addOrUpdateInput("ROOT", ["name": "CustomerGroup", "label": "Customer(s)", "type": InputType.CUSTOMERGROUP, "value": [
            "customerFieldLabel": "Unique Customer Id",
            "customerFieldName" : "customerId",
            "customerFieldValue": customerId