Custom Visual Adding a raw singular column without categorising the values

[mophi]

Hello,
im trying to create my own custom visual histogram but i'm having some trouble when importing my data points into the visual.
When choosing my dataroles in the capabilities.json there are the options to map the data by categories, single, table etc but all of these require a grouping category. What i need though is only to get only a single column of data points into my visual without any summarizing of any of the points. Just the raw column.
I haven't found anything to this regard yet so your help would be greatly appreciated.
Thank you

[JanRak]

Hi
Not sure if I understand correctly, but I think the following creates a field where you can drag a single column into, and it binds the data.

Here's a decent tutorial:
https://github.com/ABKimmel/Power-BI-Visualization-Development-Tutorial/blob/master/docs/capabilitie...

{
    "dataRoles": [
        {
            "displayName": "Field Name",
            "name": "fieldInternalName",
            "kind": "Grouping"
        }
    ],
    
    "dataViewMappings": [
        {
            "categorical": {
                "categories": {
                    "select": [
                        { "bind": { "to": "fieldInternalName" } }
                    ]
                }
            },
            "conditions": [
                {
                    "fieldInternalName": {
                        "max": 1
                    }
                }
            ]
        }
    ]
}

[mophi]

Almost, this does allow me to get only one column of data points. But for example if i have a column like this:

it still puts the 0.02 into one bucket:

But i would like to have them as seperate values.