Our miniExtensions Form has many powerful features and this is one of them. It allows you to restrict the records selection within a linked record or dynamically drill down through linked records based on certain field(s) in the linked table. For example, instead of showing a list of all cities, you can allow users to select a county first to narrow down the options, so they can find their city faster. Also, you can select multiple fields as filters.

This can also be a way to create a Dependent Drop Down List by limiting which linked records are shown depending on what users have put in another field.

It’s now possible to prefill the filter values using the form URL so you can dynamically filter the selectable linked records. Learn more about this feature here.


  • Filters can be shown as regular fields inside the form (like in the demo).
  • Filters can be hidden from the form and set only by prefilling their values in the form URL (not shown in the demo).


This form has a linked record field that you can filter. It will show a sub-category list based on the region you select:

Use Cases

This extension can be useful in a lot of scenarios. You can use it to:

  • Make it easier for people to find what they want.
  • Minimize human errors and speed up efficiency.
  • Restrict the options users can select from.
  • Limit clients to only view their own linked records.
  • Prefill the form URL with “filters” to force linked fields to only show limited records on the form.

If you click on the sample view below, you’ll see the table that’s used for the demo above.


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Supported features

Third Party Integration

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Client Portal for Airtable

Share records with people outside of your organization. Limit them to only see their records and allow them to update some parts of the records.


Most frequent questions and answers

All of our plans allow for unlimited users using your extensions, as well as unlimited members on your miniExtensions account. Pro and Business plans also allow for a limited number of admin seats. You can find out more about our pricing model here.

There is no limit on how many bases you can install miniExtensions on. Learn more


We offer limited and unlimited plans. To learn more about how our limits work, see this article.


We have instructional videos for how to use each one of our extensions on the product page. They guide you step-by-step of how to set them up.


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