Require an answer to a question

Last updated: 16 Oct 2026

Use this guide to make a question required, so respondents must answer it, and to set the error message they see. For survey creators.

Before you start

  • Require an Answer to This Question is available for Short Answer, Paragraph, Multiple Choice, Checkboxes and Dropdown questions.
  • A hidden question cannot be required. Turn off Hidden Question first.
  • Add the question first. See Create a survey.

Require an answer

  1. Open your survey in the builder.
  2. Go to the Questions tab.
  3. Find the question you want to change.
  4. Click the Actions button (the down arrow) at the right of the question.
  5. Click Edit.
  6. In the Advanced Settings panel, select Require an Answer to This Question.
  7. Enter the error message. It is shown when the question is not answered.
A Short Answer question with Require an Answer to This Question selected and the error message "please enter name" typed in the box below it.
  1. Click Done.

What respondents see

  • A red asterisk (*) appears next to the question.
  • If the respondent skips the question, they see your error message.

Good to know

  • The error message is required. If you leave it empty, InPoll asks you to enter it.
  • The error message can be up to 100 characters.
  • Required questions help you avoid incomplete responses. Require only the answers you really need.

Next: Hide a question

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