WCAG 2.2
programmatically determined
determined by software from author-supplied data provided in a way that different user agents (opens in a new tab), including assistive technologies (opens in a new tab), can extract and present this information to users in different modalities
Example 1: Determined in a markup language from elements and attributes that are accessed directly by commonly available assistive technology.
Example 2: Determined from technology-specific data structures in a non-markup language and exposed to assistive technology via an accessibility API that is supported by commonly available assistive technology.
Source: WCAG 2.2 definition of “programmatically determined” (opens in a new tab) (W3C)