2. In the Inspector, click the Appearance 
tab.
1. In Layout mode, select the field that has the placeholder text.
2. In the Inspector, click the Appearance tab.
3. From the object state list (the second list in the tab), choose Placeholder Text.
4. In the Text area, choose options.
See Formatting text.
5. Press Enter or Tab, or click outside the Inspector to apply the changes.