# Technical references

> Technical reference for Microsoft Dynamics 365 activities, including property types and enumerations

The following sequence diagram and table list each Microsoft Dynamics 365 activity and the Web API operation they use.

You don't need to be familiar with the Web API operations to use the activities. These references are for **informational purposes only**.

## Sequence Diagram

![docs image](https://dev-assets.cms.uipath.com/assets/images/activities/legacy-integrations-docs-image-180288-2488f119-027b3808.webp)

## Reference List

| Activity | API Reference |
| --- | --- |
| [Insert Record](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-insert-record) | [POST](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/create-entity-web-api?view=dynamics-ce-odata-9) |
| [Update Record](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-update-record) | [PATCH](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/update-delete-entities-using-web-api?view=dynamics-ce-odata-9) |
| [Delete Record](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-delete-record) | [DELETE](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/update-delete-entities-using-web-api?view=dynamics-ce-odata-9#basic-delete) |
| [Get Record](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-get-record) | [GET](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/retrieve-entity-using-web-api?view=dynamics-ce-odata-9) |
| [Search Records](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-search-records) | [GET](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/retrieve-entity-using-web-api?view=dynamics-ce-odata-9) |
| [Upload Activity Attachment](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-upload-activity-attachment) | [POST](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/create-entity-web-api?view=dynamics-ce-odata-9) |
| [Upload Note Attachment](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-upload-note-attachment) | [PATCH](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/update-delete-entities-using-web-api?view=dynamics-ce-odata-9) |
| [Download Activity Attachment](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-download-activity-attachment) | [GET](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/retrieve-entity-using-web-api?view=dynamics-ce-odata-9) |
| [Download Note Attachment](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-download-note-attachment) | [GET](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/retrieve-entity-using-web-api?view=dynamics-ce-odata-9) |
| [Execute Function](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-execute-function) | [GET](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/use-web-api-functions) |
| [Execute Action](https://docs.uipath.com/activities/other/latest/legacy-integrations/microsoft-dynamics-365-execute-action) | [POST](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/webapi/use-web-api-actions?view=dynamics-ce-odata-9) |