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Now our Button has Blocks that tell it to use the TextToSpeech function when it is pushed, but it doesn't have text yet. To add text, we must add a blank Text argument.

1. The text argument can be found on the far left hand column under the Text heading. You will need to select the blank text block.


2. After you have found the blank text block, you should drag it to the Call.Speak Message block and attach it to the right side. Once it is attached, you can add a message by clicking on the text box and adding text. See image below for an example.