Change button text to: Goldsmiths Computing: Arts, Media, Music, Design and Games.
更改按钮内容为：戈德史密斯电子计算学：艺术，媒体，音乐，设计和游戏。
It is similar to the Checker in that you can set the number of properties and actions and you can change the broadcast property values and button text.
它类似于Checker，可以设置属性和动作的数量，并且可以更改传播属性值和按钮文本。
In the Label field, change the value from Button to Say Hello, and then go to the bottom field and in the Help text field enter Click here for a friendly greeting.
在label字段，将值Button改成Say Hello，然后移动到底部字段，在help文本字段中输入Click here for a friendly greeting。
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