How to set validity conditions?

Here are the steps to set validity conditions:

Step 1: Click on the field in which you want to set validity conditions.

Step 2: On the right side, you will see the properties of the field.

Step 3: Scroll down the properties panel.

Step 4: Find the option to set validity conditions.

Step 5: Click on this option to set  the validity condition settings.

Step 6: Set up the desired validity conditions for the field.