layer.siblingsWithName(name)

All sibling layers of this layer, filtered by name.
译：这一层的所有同级层，按名称过滤。

Arguments（参数）

name — A string of the layer name. 译：一个图层名称的字符串。

layerA = new Layer

layerB = new Layer
    name: "navigation"
    parent: layerA

layerC = new Layer
    name: "button"
    parent: layerA

print layerB.siblingsWithName("button")
# Output: []