Azure Logic App, parse JSON, but possible null

Question

I want to parse json, based on the following classes:

public class DerModel
{
    public string Name { get; set; }
    public string Email { get; set; }
}

public class DriverPositiveResultModel
{
    public int DriverId { get; set; }
    public string DriverName { get; set; }
    public string DriverSSN { get; set; }
    public string CarrierName { get; set; }
    public DerModel DER { get; set; }
}

and the following schema:

{
    "properties": {
        "CarrierName": {
            "type": "string"
        },
        "DER": {
            "properties": {
                "Email": {
                    "type": "string"
                },
                "Name": {
                    "type": "string"
            }
        },
        "type": "object"
    },
    "DriverId": {
        "type": "integer"
    },
    "DriverName": {
        "type": "string"
    },
    "DriverSSN": {
        "type": "string"
    }
},
"type": "object"

}

but logic allows, that DER can be null. How to set it in the schema?

Carlos Garcia · Accepted Answer · 2020-03-12 21:35:17Z

9

You need to specify that it can be null:

"type": ["object","null"]

so your code would look like this:

{
    "properties": {
        "CarrierName": {
            "type": "string"
        },
        "DER": {
            "properties": {
                "Email": {
                    "type": "string"
                },
                "Name": {
                    "type": "string"
            }
        },
        "type": ["object","null"]
    },
    "DriverId": {
        "type": "integer"
    },
    "DriverName": {
        "type": "string"
    },
    "DriverSSN": {
        "type": "string"
    }
},
"type": "object"
}

answered Mar 12, 2020 at 21:35

Carlos Garcia

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