Setting focus to text entry box in Storyline

I know that this may be an old topic, but I just had a need to do this, so I went back to my old notes to see how I got it to work. You don't have to put your elements on a master slide. Put them in the slide like you would any other slide.

To get the text box to receive focus, place the text box on a layer by itself. When you want to activate the text box, just activate the layer where it lives.

You can do it when the slide starts by setting a trigger to activate the layer when the timeline starts. You can then place anything that you want on the base layer, and the text box will receive focus when the layer that contains it is activated.