How to post json data in array in ionic? - ionic-v3 - Ionic

Hi. I am new in ionic-3. I need to send json data with plugin ```
cordova-plugin-advanced-http

{
    "DivipolaModel": [
        {
            "iIDDIvipola": 1,
            "tNombreCiudad": "MEDELLIN",
            "tCodigoCiudad": "05001"
        },
        {
            "iIDDIvipola": 12,
            "tNombreCiudad": "ABEJORRAL",
            "tCodigoCiudad": "05002"
        }
    ]
}

 with the header:

let header = {
"Content-Type":"application/json",
toke:token
}