l-property property">actions</span><span class="token operator">:</span> <span class="token punctuation">{</span>
  <span class="token function">bandDidChange</span><span class="token punctuation">(</span><span class="token parameter">newValue</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>newValue<span class="token punctuation">)</span><s