sync.config.default.json

{
    "username": "username",
    "password": "password",
    "site": "https://my.sharepoint.site",
    "filemetadata": [
        {
            "name": "Item_MyDefault.html",
            "metadata": {
            "__metadata": {
                "type": "SP.Data.OData__x005f_catalogs_x002f_masterpageItem"
            },
            "Title": "Item Minimal Template (via GULP)",
            "MasterPageDescription": "This is a display template added via gulp.",
            "ManagedPropertyMapping": "'Title':'Title','Path':'Path','Description':'Description','EditorOWSUSER':'EditorOWSUSER','LastModifiedTime':'LastModifiedTime','CollapsingStatus':'CollapsingStatus','DocId':'DocId','HitHighlightedSummary':'HitHighlightedSummary','HitHighlightedProperties':'HitHighlightedProperties','FileExtension':'FileExtension','ViewsLifeTime':'ViewsLifeTime','ParentLink':'ParentLink','FileType':'FileType','IsContainer':'IsContainer','SecondaryFileExtension':'SecondaryFileExtension','DisplayAuthor':'DisplayAuthor'",
            "ContentTypeId": "0x0101002039C03B61C64EC4A04F5361F385106603",
            "DisplayTemplateLevel": "Item",
            "TargetControlType": {
                "__metadata": {
                "type": "Collection(Edm.String)"
                },
                "results": [
                "SearchResults"
                ]
            }
            }
        }
    ]
}