Prefill Forms¶

Forms can be prefilled in order to help the user fill in the form faster.

All fields which are available in the form can be prefilled.

How to prefill a form¶

If you want to prefill a form with data you can do so via query parameters added to the public form url. These query parameters are prefixed with prefill to avoid any collision with potential future query parameters.

Format¶

The format of the query parameters is as follows:

?prefill_<field_name>=<value>

Example¶

In the example below we want to prefill a field called Name with the value of Mike

?prefill_Name=Mike

Spaces¶

Spaces in the field name are replaced with + to avoid any issues with the query parameter.

?prefill_my+field=Mike

Multiple values¶

If you want to prefill multiple fields you can do so by adding a , between the values.

?prefill_multi+select=Mike,John

Special Field Types¶

Generally the prefill value is the same as the value of the field. But there are some exceptions where the value is translated to a different value.

Rating field¶

A rating field accepts a number to indicate how many stars should be filled.

?prefill_rating=3

Link Row Field¶

A link row field can accept the value that is shown in the select dropdown.

?prefill_link+row=Mike

Single Select / Multiple Select field¶

A single select field can accept the value that is shown in the select dropdown. So does the Multiple Select field, but it can also accept multiple values.

?prefill_single+select=Mike

Date Field¶

A date field can accept a date in the following formats and will use the date format of the field to parse the date.

// Standards
ISO_8601

// General formats
'YYYY-MM-DD',
'YYYY-MM-DD hh:mm A',
'YYYY-MM-DD HH:mm',

// EU
'DD/MM/YYYY', 
'DD/MM/YYYY hh:mm A', 
'DD/MM/YYYY HH:mm'

// US
'MM/DD/YYYY', 
'MM/DD/YYYY hh:mm A', 
'MM/DD/YYYY HH:mm'