Add a custom body class to node edit/create page
54878
Adding a class to “body”
108139
How to create a node out of a webform submission?
58861
How to add a document class to TexStudio?
110132
how to add script to page
36605
Adding items to page template dropdown on Page Edit Screen
57562
How do programmatically create fields for content types, and ADD them to the the content type form
79506
Assign Page Template Within A Custom Post Type
8876
How do I programmatically create a new content type?
152667
Add class name to post thumbnail
17613
Node edit form with embedded form not executing custom submit handler
19518
Custom form submit handler is called, but node is not saved
85542
how to add javascript with #attached and hook_page_alter
80688
How do I add custom properties to a form
48719
How to add a custom CSS class to core blocks in Gutenberg editor?
45021
How to create a node with submissions of a webform?
152447
How to apply custom headers/footers on pages with new chapters?
94560
Programmatically Render a Node Edit form with a custom Form Display Mode