How to use a custom post type as child of a particular post of another CPT?

Related Posts:

1. Custom Post Type URL Rewriting?
2. Mixing custom post type and taxonomy rewrite structures?
3. How to rewrite URI of custom post type?
4. Rewriting a custom-post-type permalink with taxonomy term?
5. Remove custom post type slug from URL
6. Add .html (dot HTML) extension to custom post types
7. Custom rewrite rules for archive page and single post
8. WordPress Rewrite Rules for Custom Post Type and Taxonomy
9. Custom post type, no need for single view, plus want permalink rewrites that include hash in URI
10. How to remove slug from hierarchical custom types in 3.5.2
11. Custom post types – Use post_id in permalink structure
12. Multiple post types – share same ReWrite slug?
13. Custom post type yearly/ monthly archive permalinks
14. How to pass URL parameters for advanced taxonomy queries with multiple terms for one custom taxonomy
15. Custom Post Type and Taxonomy URL rewrite
16. Custom post type permalink: only use %post_id% and remove %postname%
17. Custom post types – Use post_id in permalink structure when using has_archive => true
18. Meta_Query as a way how to setup CPT permalinks – is it a good thing?
19. How can I rewrite URLs to pass taxonomy and post type values to the query?
20. Rewrite custom post type rss feed links
21. Using /%postname% for a custom post type
22. Add category to custom post URL
23. Why would WordPress use ‘attachment’ in a custom post type’s query string?
24. Is it possible to change the URL of custom post types to hide the post type slug?
25. Custom post type URL with post ID that allows archiving and paging
26. Changing the URL Structure of a Paginated Custom Post
27. Removing base slug from hierarchical custom post type
28. Rewriting ‘rewrite’ slug for custom post type used by plugin
29. How to modify URL structures in custom post types and taxonomies or terms
30. Creating a custom public user page
31. Adding meta values to permalink
32. Archive page with multiple taxonomies rewrite
33. rewrite get parameter with custom post type
34. Custom post type taxonomies URL rewrite
35. WordPress custom taxonomy URL rewrite on spelling errors
36. How can i avoid the permalink start with ‘blog’ while using the custom post type?
37. Custom Posttype Inheritance (and url structure)
38. Enforcing canonical URLs with multiple custom post types
39. Permalinks so that one custom post type appears to be a child of another, not working
40. How to filter custom post type archive by meta value
41. Create permalink structure for one taxonomy archive per custom post type
42. Adding %author% in custom post type URL structure?
43. Taxonomy archives based on Custom Post Type
44. Slug for custom post type archive
45. Custom permalinks
46. Change page /2 to /transcript with a Rewrite
47. Multiple custom post types using the same taxonomy = URL frustrations
48. Permalink rewrite with custom post type and custom taxonomy
49. Issues when rewrite rules collide?
50. Custom post type permalink changing itself every other change
51. Taxonomy page returns 404 page not found
52. Make permalinks based on an ACF-field
53. Child pages on hierarchical Custom Post Types 404s
54. Remove unwanted part of permalink custom structure from CPT url?
55. Custom post type’s get_permalink returns wrong url
56. Custom post type permalink structure with the category also acting as an archive
57. Prepend meta_value to permalink of post
58. Defining a default page for custom post type
59. How to create custom URLs for Custom Post Type sub sections?
60. 2nd and 3rd Custom Post Type URL’s 404ing
61. rewrite rules add a folder in the path
62. Custom Post Type – Rewrite slug [duplicate]
63. Custom post type and custom taxonomy archive inaccessible
64. Generate daily archive whenever any post type is added
65. How can you preserve URLs when moving posts to a custom post type?
66. Generating custom URL before post is published
67. Custom Post Type Base URL
68. Custom Taxonomy in Permalink from post type
69. Rewrite rules for using the same base slug for multiple content types
70. Custom Post Type and single-posttype template
71. Custom post type permalink structure
72. How can i change url structure of cpt like this?
73. How to change custom post type slug without damage seo? [closed]
74. add_rewrite_rule not working in Custom Post Type UI Plugin
75. Custom Post & Taxonomy rewrite break regular post & page
76. Looking for advice how to approach building a WordPress plug-in
77. Rewrite Rule for custom post type link with or without taxonomy terms
78. Menu Structure and URL structure, with Pages and Post-Type-Posts
79. Custom Post Type with multiple Custom Taxonomies / Hide Taxonomy Slug from URL
80. Rewrite nested urls for custom post type
81. Custom archive URL as a subfolder of the custom post type slug
82. Custom post type Premalinks main page and details page
83. How to rewrite custom slugs that follow my rules
84. Custom post type with custom taxonomies structure url not working archive of CPT
85. What is the best way to relate different custom post types?
86. Custom slugs with dates & IDs on Custom Post Type
87. Rewrite rule taxonomy url with different values in one function
88. Allow child pages with the same base as the CPT slug
89. Add post id to url instead of WordPress default -2 suffix
90. Custom URLs between different post types, using “Pods”
91. How to work with URLs where sometimes a post or a subcategory is in the same part of the URL structure
92. How to make 2 (or more) custom post type post pages sit under the same slug?
93. Remove date rewrite rule for custom post type archive page
94. CPT with URL rewrite showing as 404
95. Custom post type slug localization
96. Custom templates based custom url structure in wordpress
97. CPT Rewrite Slug to Another CPT Slug/Key (as CPT-A/CPT-B Format)
98. How to make a Custom Post Type entry to have different parent pages
99. How to add random prefix (based on related page slug) to custom post type?
100. Rewrite taxonomy permalink appended to CPT archive url