how to append values to a map golang code example

Example 1: go add to map

m := make(map[string]int)
m["numberOne"] = 1
m["numberTwo"] = 2

Example 2: appending map into map golang

for _, note := range notes {
        thisNote := map[string]string{
            "Title":note.Title,
            "Body":note.Body,
        }

        content["notes"] = append(content["notes"], thisNote)
}