{
    "configurationSettings": [{
        "category": "<b>Choose template theme</b>",
        "fields": [{
            "placeHolder": "Defaults to map owner",
            "label": "Owner Text:",
            "fieldName": "owner",
            "type": "string",
            "tooltip": "Defaults to map owner"
        }, {
            "type": "string",
            "fieldName": "theme",
            "tooltip": "Color theme to use",
            "label": "Color Scheme:",
            "options": [{
                "label": "Chrome",
                "value": "chrome"
            }, {
                "label": "Seaside",
                "value": "seaside"
            }, {
                "label": "Pavement",
                "value": "pavement"
            }]
        }]
    }],
    "values": {}
}
{
    "configurationSettings": [{
        "category": "<b>Configure template</b>",
        "fields": [{
            "type": "webmap"
        },{
            "placeHolder": "Defaults to map owner",
            "label": "Owner Text:",
            "fieldName": "owner",
            "type": "string",
            "tooltip": "Defaults to map owner"
        }, {
            "type": "string",
            "fieldName": "theme",
            "tooltip": "Color theme to use",
            "label": "Color Scheme:",
            "options": [{
                "label": "Chrome",
                "value": "chrome"
            }, {
                "label": "Seaside",
                "value": "seaside"
            }, {
                "label": "Pavement",
                "value": "pavement"
            }]
        }]
    }],
    "values": {}
}
Add web map config parameter to fix #21