For AJAX you need to hook into the wp_ajax_{action} hook
Specifically,
add_action('wp_ajax_my_action', 'my_action_callback');
add_action('wp_ajax_nopriv_my_action', 'my_action_callback');
Related Posts:
- When can you get current page ID and initialize hooks right after?
- Using the ‘draft_to_publish’ hook (post status transition)
- Enqueue style inside shortcode but its loaded at the bottom of page (before footer scripts)
- Good tools for locating hooks in a wordpress page/admin interface/blog post?
- Is it possible to add an action to the currently running action?
- How to prevent action in ajax request, when in admin side?
- What are the benefit in adding hook in the init() hook?
- add_action in functions.php, do_action in plugin?
- add action for displaying posts using a shortcode
- ‘wp_login’ action hook not working with wp-login.php file
- Any hook for pre-plugin-update -either bulk or single plugin update
- How to get all of the activate_plugin action parameters?
- Get Time Taken By Each Action Hook in WordPress
- Are functions in main plugin file called before function bound to register_activation_hook runs?
- Hook for page Request?
- The function called on the wp head hook becomes null
- Passing function into add_action always returns the first argument
- Plugin Hook: Get posts
- How wordpress plugin hooks works? [duplicate]
- How can I see all the actions attached to an “add_action” hook?
- Where is the best place to use add_filter
- How to only hook on Single.php after content?
- How to save the values of checkbox to the register setting?
- Edit plugin without hooks in functions.php
- What is the ‘admin_action_’ . $_REQUEST[‘action’] hook used for?
- WordPress admin notice in plugin function
- Use external link in the add sub menu
- Pass A Value From Outside To A Plugin Variable
- Built in admin ajax hooks?
- Failed to invoke other hook from the init hook
- How can I add a custom meta value on file upload?
- do_action and hook methods
- How can I filter blog name?
- How to register custom post types in a plugin?
- Can a plugin add to header/footer/body content?
- Is it possible to remove this action? (as it’s added just before it’s called)
- Action on post publish
- OOP: Display warning and deactivate the plugin if PHP version is less than 5.4
- How to add inline css/js inside a shortcode
- WordPress Plugin Boilerplate – add_action hook in static “activate” function
- Determine plugin name from within plugin_action_links filter
- How to call bind function in wordpress actions or hooks
- Placement of Code in Plugin for hooking `save_post`
- Can I use a method from an existing plugin as an action hook?
- Where to hook my plugin’s action
- How to pull code snippet from functionality plugin?
- Where (or when) should I register a new taxonomy?
- How do action and filter hooks understand where to look for the core function that we hooked our function to them
- wordpress plugin is not activating from widget
- Insert new user with form submit ‘init’ hook
- When to load auto-login code?
- How to stop activating a plugin and show admin notice when dependent plugins minimum version is not met
- How to check current user before all actions and filters?
- do_action() hook into load-(page)
- Howto check version of another plugin and then add a submenu page to it
- edit_user_profile and show_user_profile are not firing inside a class
- Add action to fire when a published post is updated
- How to pass variables to a function argument using add_action [duplicate]
- Submit Form data to another page via Ajax (WordPress Way)
- Why do plugins often ask to add in to templates?
- Does using `add_action( ‘init’…` cause performance issues?
- Create a post builder skin in a plugin
- remove_action not removing add_action from constructor
- How to get menu location in wp_update_nav_menu hook
- How do I add some javascript validation to the admin interface form’s onsubmit?
- Save user total active time after login in wordpress [closed]
- How to remove a class function from a plugin by using remove_action()?
- Advanced WordPress plugin activation detection
- wp_loaded with static Singleton
- is it possible to hook every page style?
- Add action to custom Function
- Custom CSS not being added by plugin
- How to use add_action for multiple instances of the same class
- What hook can I use to modify custom post data before it is displayed on the page?
- How to hook into action/filter call
- Quick press publish post hook
- How to deactivate my plugin upon deactivation of NextGen
- How to automatically activate users after registration without activation email?
- Creating a plugin that will display text on every page
- I cannot include a file in my plugin settings page
- Activation flow of a plugin in a multisite environment
- Add hook after content without formatting
- admin_post hook not firing function inside class
- Callback hooked to post_updated firing on new posts as well
- Why do actions with class and public method don’t fire __construct()
- Hooking into the HTML header container
- Get post content inside plugin class method
- Remove action added in plugin class from theme
- WordPress Boilerplate Plugin doesn’t see callback functions for add_settings_field and add_settings_section
- Why can’t I shove an instance of a class into a variable from a do_action hook?
- Passing a parameter to filter and action functions
- Run only on plug-in activation instead of wp_head
- Display_rows() and column_cb() strange behaviour
- change output location of plugin function using a custom hook
- How to create and use Custom hooks
- OOP Plugin: Where should I place the action hooks in the class?
- add query string to all pages after user logged in
- Post curl function save twice using plugin hook function wordpress
- Hook automatic_updates_complete to autoupdate plugin
- Why is my activator class adding the files/running the actions I add?