Select an Artboard, Group, or Layer to create a new Symbol, select a Shape or Text Layer to create a new Shared Style.
By default, you create a Symbol with the Layer name pre-filled as a placeholder. To switch to creating a Shared Style, hit
command option →. To switch back to creating a Symbol, hit
command option ←.
When you have selected Artboard or Group, it's not possible to create a Shared Text or Layer Style out of it. Runner then disables this option.
Based on selecting a Shape or a Text, you'll create the right Shared Style. With a Shape selected, you create a Layer Style. With a Text selected, a Text Style is created.
/to show a list of Symbol or Style names that you've already used before. This helps to follow your naming convention easily.