> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.awork.com/apiv1/custom-fields/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.awork.com/_mcp/server.

# Custom Fields


## API Docs

- Custom Fields [Returns all custom field definitions.](https://developers.awork.com/apiv1/custom-fields/get-custom-field-definitions.md)
- Custom Fields [Creates a custom field definition.](https://developers.awork.com/apiv1/custom-fields/post-custom-field-definition.md)
- Custom Fields [Updates the specified custom field definition.](https://developers.awork.com/apiv1/custom-fields/put-custom-field-definition-by-id.md)
- Custom Fields [Deletes the specified custom field definition.](https://developers.awork.com/apiv1/custom-fields/delete-custom-field-definition-by-id.md)
- Custom Fields [Creates an option for a custom field.](https://developers.awork.com/apiv1/custom-fields/post-custom-field-definition-selection-options-by-custom-field-definition-id.md)
- Custom Fields [Updates a custom field selection option.](https://developers.awork.com/apiv1/custom-fields/put-custom-field-definition-selection-option-by-custom-field-definition-id-and-selection-option-id.md)
- Custom Fields [Deletes a custom field selection option.](https://developers.awork.com/apiv1/custom-fields/delete-custom-field-definition-selection-option-by-custom-field-definition-id-and-selection-option-id.md)
- Custom Fields [Returns custom fields for the specified project.](https://developers.awork.com/apiv1/custom-fields/get-project-custom-field-definitions-by-project-id.md)
- Custom Fields [Updates custom field order in a project.](https://developers.awork.com/apiv1/custom-fields/put-project-custom-field-definition-by-project-id-and-custom-field-definition-id.md)
- Custom Fields [Links a custom field to the specified project.](https://developers.awork.com/apiv1/custom-fields/post-project-link-custom-field-definition-by-project-id.md)
- Custom Fields [Sets custom field values for a project.](https://developers.awork.com/apiv1/custom-fields/post-project-set-custom-fields-by-project-id.md)
- Custom Fields [Unlinks a custom field from the specified project.](https://developers.awork.com/apiv1/custom-fields/post-project-unlink-custom-field-definition-by-project-id.md)
- Custom Fields [Returns custom fields.](https://developers.awork.com/apiv1/custom-fields/get-project-template-custom-field-definitions-by-project-template-id.md)
- Custom Fields [Updates custom field order in a template.](https://developers.awork.com/apiv1/custom-fields/put-project-template-custom-field-definition-by-project-template-id-and-custom-field-definition-id.md)
- Custom Fields [Links a custom field definition to the template.](https://developers.awork.com/apiv1/custom-fields/post-project-template-link-custom-field-definition-by-project-template-id.md)
- Custom Fields [Sets the custom fields for a project template.](https://developers.awork.com/apiv1/custom-fields/post-project-template-set-custom-fields-by-project-template-id.md)
- Custom Fields [Unlinks a custom field from a template.](https://developers.awork.com/apiv1/custom-fields/post-project-template-unlink-custom-field-definition-by-project-template-id.md)
- Custom Fields [Sets the custom fields for a task.](https://developers.awork.com/apiv1/custom-fields/post-task-set-custom-fields-by-task-id.md)
- Custom Fields [Sets the custom fields for the task template.](https://developers.awork.com/apiv1/custom-fields/post-task-template-set-custom-fields-by-task-template-id.md)
- Custom Fields [Returns custom fields linked to a workflow.](https://developers.awork.com/apiv1/custom-fields/get-workflow-custom-field-definitions-by-workflow-id.md)
- Custom Fields [Updates custom fields.](https://developers.awork.com/apiv1/custom-fields/put-workflow-custom-field-definition-by-workflow-id-and-custom-field-definition-id.md)
- Custom Fields [Links a custom field definition to a workflow.](https://developers.awork.com/apiv1/custom-fields/post-workflow-link-custom-field-definition-by-workflow-id.md)
- Custom Fields [Unlinks a custom field from a workflow.](https://developers.awork.com/apiv1/custom-fields/post-workflow-unlink-custom-field-definition-by-workflow-id.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://developers.awork.com/apiv1/custom-fields/openapi.json)
- [OpenAPI YAML](https://developers.awork.com/apiv1/custom-fields/openapi.yaml)