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Remember that a repeating item can itself be a complex control. For example, drag and drop a Section onto the form (outside the Repeat) and name it Personal. Drag in a First and Last Name and Email Address and make only the Last Name and Email required. Now, drag the Section into the Repeat and set min to 1 and max to 10. Test the form. Since min is 1, the first repeating item (section) is required. You will have to enter a Last Name and Email. Click + to add a second and a third. Notice that these are optional so the Submit is enabled and there is no visual indication that any controls are required. Now, enter something into Last Name in the second Section. Notice that the Email now becomes required and the Submit is disabled. If you provide a Last Name you must provide an Email Address or the containing Section is invalid.

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