To give a character an action, please follow these steps:
1.) Highlight the character. You will see the Character Settings pop up to the left.
2.) Go to the Actions tab in the Character Settings tray to the left of the stage.
3.) Search through the various categories by dragging the slide bars up and down as shown below. Find the best action for your character and select.
You will see your character change it's action to the selected one. Perfect!