WordPress Code Reference

theme_{$post_type}_templates

Summery Summery

Filters list of page templates for a theme.

apply_filters( "theme_{$post_type}_templates", string[] $post_templates, WP_Theme $this, WP_Post|null $post, string $post_type )

The dynamic portion of the hook name, $post_type, refers to the post type.

$post_templates: Array of template header names keyed by the template file name.
$this: The theme object.
$post: The post being edited, provided for context, or null.
$post_type: Post type to get the templates for.

Changelog
Version	Description
4.7.0	Added the `$post_type` parameter.
4.4.0	Converted to allow complete control over the `$page_templates` array.
3.9.0	Introduced.