Command: Insert Input Symbol: Shortcut: Ctrl + Q
Command: Insert Return Symbol: Shortcut: Ctrl + R
Command: Set Output Connection Symbol: Shortcut: Ctrl
Command: Insert Jump Symbol: Shortcut: Ctrl + L
Command: Insert Input Shortcut: Ctrl + Shift +
Command: Insert Output Shortcut: Ctrl + Shift + O
Command: Insert ST Block Symbol: Shortcut: Ctrl + Shift +