Regarding the FormArray

[ghost]

Hello, I have been trying to create FormArray with this library. but i am unclear how it handles array

while generating form -- does it create FormArray or FormGroup if an array is present in json?

What I tried?
https://www.hiteshbalar.com/ngx-recursive-form/

{
                "order": 3,
                "name": "language",
                "label": "Languages you know",
                "type": "array",
                "parameters": [
                    {
                        "name": "languageName",
                        "label": "Language Name",
                        "type": "string",
                        "placeholder": "Input language name"
                    },
                    {
                        "name": "experience",
                        "label": "Total Experience",
                        "type": "number",
                        "placeholder": "Total experience in year"
                    }
                ],
                "defaultValue": [
                    {
                        "languageName": "JavaScript",
                        "experience": 4
                    },
                    {
                        "languageName": "has",
                        "experience": 3
                    },
                    {
                        "languageName": "not",
                        "experience": 2
                    }
                ]
            }

This works.
But I do this in my componet files is returned as FormGroup. Instead it should be FormArray.

Please clarify.