---
title: "Query definitions"
slug: "oas-aref-query-definitions-3-28"
updated: 2025-07-04T10:04:21Z
published: 2025-07-07T13:44:54Z
canonical: "docs.onespan.com/oas-aref-query-definitions-3-28"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.onespan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Query definitions

A query consists of the following:

- Data field. A field from the database.
- Condition. A conditional operator to be performed on the data field.
- Value. A value to compare the data field with. This is not required for some conditional operators.

To define a query you must select a data field and one of the following operators:

- equals
- does not equal
- starts with
- does not start with
- includes
- does not include
- ends with
- does not end with
- is null
- is not null
- is blank
- is not blank
- is greater than
- is greater than or equal to
- is less than
- is less than or equal to
- is part of (verify if an IP address is within an IPv4 subnet)
- is not part of (verify if an IP address is not within an IPv4 subnet)

Not all operators are applicable to all data fields. Not all operators require a value.

Combinations of data field, operator, and values can be used to define queries.