The Lookup tab allows the user to get a lookup option for the Answer types like Radio Button, Checkbox, Dropdown, and Multi-select dropdown. The lookup option can be a saved response to any of the Textbox type questions.
The following steps explain the process to get the Lookup option for a specific question:
Navigate to the Question page selecting a form.
Make sure you have at least two questions:
Question 1 with either of the choices given as answer type out of Radio Button/ Checkbox/ Dropdown/ Multi-select dropdown.
Question 2 with Textbox inserted as the answer type.
Open the Question Properties window for Question 1.
Click the Lookup tab.
Select the Yes option for Lookup.
Select a question using the drop-down menu.
Click the Save option to save the Lookup settings.
Save the questions and publish the form.
Open the responses page for the published form.
See the available options provided for Question no. 1
Give response for the Question no. 2
Save the response.
Check the available options for Question no. 1.
The response for Question no. 2 gets added in the lookup.
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