> Portal Navigation:
> 
> - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version.
> - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages).
> - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`).
> - Top-level index of all portals: https://dev.wix.com/docs/llms.txt
> - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt

# [Api Reference](https://dev.wix.com/docs/api/get-menu-content?url=https%3A%2F%2Fdev.wix.com%2Fdocs%2Fapi-reference&format=markdown.md)

## [CRM](https://dev.wix.com/docs/api-reference/crm.md)


### [Members & Contacts](https://dev.wix.com/docs/api-reference/crm/members-contacts.md)


#### [Contacts](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts.md)


##### [Extended Fields](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields.md)


- [Extended Field Object](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/extended-field-object.md)

- [Get Extended Field](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/get-extended-field.md)

- [Update Extended Field](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/update-extended-field.md)

- [Delete Extended Field](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/delete-extended-field.md)

- [Query Extended Fields](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/query-extended-fields.md)

- [List Extended Fields](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/list-extended-fields.md)

- [Find Or Create Extended Field](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/find-or-create-extended-field.md)

- [Extended Field Created](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/extended-field-created.md)

- [Extended Field Deleted](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/extended-field-deleted.md)

- [Extended Field Updated](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/extended-field-updated.md)

- [Introduction](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/introduction.md)

- [Sort and Filter](https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/extended-fields/sort-and-filter.md)