Invocation name
Now we need to choose how we launch the skill. On the left click on Invocation. In the box type the name you wish to start the skill with. It will default to my tube.
caution
Do Not set the Invocation name to YouTube as this can cause issues on echo show devices.
Once you have entered a name click the save model button then the build model button.
At the top of the screen click on test then on the dropdown menu click Development. Congratulations the skill is now setup and avalible on your echo device.