# GravityBoard Developer Documentation > Hooks documentation for GravityBoard Version: 1.2.1 This file contains links to documentation sections following the llmstxt.org standard. ## Table of Contents - [Action - gk/gravityboard/ajax/register-routes](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-ajax-register-routes): Allow other plugins to register routes. - [Action - gk/gravityboard/assignees/added](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-assignees-added): Fired when a user is assigned to an entry via the GravityBoard interface. - [Action - gk/gravityboard/assignees/removed](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-assignees-removed): Fired when a user is unassigned from an entry via the GravityBoard interface. - [Action - gk/gravityboard/assignees/updated](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-assignees-updated): Fired after entry assignees are successfully updated. - [Action - gk/gravityboard/attachments/added](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-attachments-added): Runs when attachments have been added, before the notification is triggered. - [Action - gk/gravityboard/attachments/removed](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-attachments-removed): Runs when attachments have been removed, before the notification is triggered. - [Action - gk/gravityboard/attachments/updated](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-attachments-updated): Runs when attachments have been updated, before the notification is triggered. - [Action - gk/gravityboard/card/added](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-card-added): Runs when a card (entry) has been created, before the notification is triggered. - [Action - gk/gravityboard/card/changed-lane](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-card-changed-lane): Runs when a card (entry) has been moved to a new lane, before the notification is triggered. - [Action - gk/gravityboard/card/deleted](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-card-deleted): Runs when a card (entry) has been trashed or deleted, before the notification is triggered. - [Action - gk/gravityboard/card/edited](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-card-edited): Runs when a card (entry) has been updated, before the notification is triggered. - [Action - gk/gravityboard/card/sorted](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-card-sorted): Runs when a card (entry) has been sorted, before the notification is triggered. - [Action - gk/gravityboard/checklists/item/added](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-checklists-item-added): Runs when a checklist item has been added. - [Action - gk/gravityboard/checklists/item/deleted](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-checklists-item-deleted): Runs when a checklist item has been deleted. - [Action - gk/gravityboard/checklists/item/updated](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-checklists-item-updated): Runs when a checklist item has been updated. - [Action - gk/gravityboard/checklists/templates-applied](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-checklists-templates-applied): Runs when checklist templates have been applied to an entry. - [Action - gk/gravityboard/checklists/updated](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-checklists-updated): Runs when checklists have been updated. - [Action - gk/gravityboard/lane/added](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-lane-added): Runs when a lane has been added. - [Action - gk/gravityboard/lane/deleted](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-lane-deleted): Runs when a lane has been deleted. - [Action - gk/gravityboard/lane/edited](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-lane-edited): Runs when a lane has been edited. - [Action - gk/gravityboard/lane/moved](https://www.gravitykit.dev/docs/gravityboard/actions/gk-gravityboard-lane-moved): Runs when a lane has been moved. - [Actions](https://www.gravitykit.dev/docs/gravityboard/actions): GravityBoard actions - [Filter - gk/gravityboard/board-settings](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-board-settings): Filter the board settings. - [Filter - gk/gravityboard/card/data](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-card-data): Filter the card data returned from the entry. - [Filter - gk/gravityboard/card/update-card](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-card-update-card): Allow plugins to add additional changes to the card. - [Filter - gk/gravityboard/checklists/export-value](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-checklists-export-value): Filters the export text for checklists. - [Filter - gk/gravityboard/data/lanes](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-data-lanes): Filter lanes data before returning. - [Filter - gk/gravityboard/merge-tags/assignee-user-id](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-merge-tags-assignee-user-id): Filter the assignee user. - [Filter - gk/gravityboard/notes/filter-by-board](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-notes-filter-by-board): Filter whether to filter notes by feed. - [Filter - gk/gravityboard/renderer/css-variable-overrides](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-renderer-css-variable-overrides): Filters the global overrides for the GravityBoard. - [Filter - gk/gravityboard/translation-overrides](https://www.gravitykit.dev/docs/gravityboard/filters/gk-gravityboard-translation-overrides): Filters the translation overrides for the GravityBoard. - [Filters](https://www.gravitykit.dev/docs/gravityboard/filters): GravityBoard filters - [GravityBoard Developer Documentation](https://www.gravitykit.dev/docs/gravityboard): Developer documentation for GravityBoard including hooks, actions, filters, and PHP API reference