Dataset. how to create a dataset and assigning to a test thru the API?

[patrickalbaret]

From a Test, I'm able to retrieve the dataset information,

but unfortunatly I don't know how to create a Test issue with a dataset.

When I'm doing my POST: https://jiraServer/rest/api/2/issue

with the dataset custom field info

 "customfield_16803": {

            "datasetRestBean": { "params": [ {

                        "param": { "id": 1, "name": "Url",       "rank": 0,     "combinatorial": false,

                            "info": {

                                "type": "TEXT"

                            }

                        },

                        "values": [

                            {

                                "value": "http://prod",

                                "rank": 1

                            }

                        ]

                    }

                ]

            }

        },

 I get the error:

{

    "errorMessages": [],

    "errors": {

        "customfield_16803": "Field 'customfield_16803' cannot be set. It is not on the appropriate screen, or unknown."

    }

}

How can I create a Test with a dataset?

Thanks for help.