sharepoint online – Upload Images to the new Image Field

I´m creating a list through list definition and that list contains a Image Field (not the Image/Url).
I also want to include items in this list with using list definition. But I don’t know how to create items with images in the image column.

enter image description here
enter image description here

I’m creating items like the example, but for image column I don’t know how to create.

      <Field Name="Id">1</Field>
      <Field Name="Column1">Test</Field>
      <Field Name="Column2">Test Test Test</Field>
      <Field Name="Image"> ??? </Field>