Validation rule to use
Use the sentence Invalid when empty if [...] to set a field to be triggered when a condition is met.
Validation rules available
Invalid when empty if Field is Value
Allows to set a field as invalid when a targeted field has reached a targeted value.
Alternative rules:
Invalid when empty if Field is not Value
Example: Invalid when empty if Condition is U
Invalid when Value if Field is Value
Allows to set a field as invalid when it reaches a targeted value and if a targeted field has reached a targeted value.
Alternative rules:
Invalid when Value if Field is not Value
Example: Invalid when NC if Condition is NC
Invalid when empty if Checkbox is checked
Allows to set a field as invalid when a targeted checkbox field is checked.
Alternative rules:
Invalid when empty if Checkbox is unchecked
Invalid when empty if Field is lesser than Value
Allows to set a field as invalid when a targeted field is lesser than a specified value.
Alternative rules:
Invalid when empty if Field is < Value
Invalid when empty if Field is greater than Value
Allows to set a field as invalid when a targeted field is greater than a specified value.
Alternative rules:
Invalid when empty if Field is > Value
Invalid when empty if Field is lesser than Field
Allows to set a field as invalid when a targeted field is lesser than a specified value in a targeted field.
Alternative rules:
Invalid when empty if Field is < Field
Invalid when empty if Field is greater than Field
Allows to set a field as invalid when a targeted field is greater than a specified value in a targeted field.
Alternative rules:
Invalid when empty if Field is > Field