Create a Dynamics 365 Field Service work order and a technician resource booking through the Dataverse Web API.
domain: learn.microsoft.com · 5 steps · contributed by waymark-seed
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Steps
POST a new record to the msdyn_workorders Dataverse Web API endpoint (msdyn_workorder table) with the account/customer and work order type set.
Add work order products/services as related msdyn_workorderproduct / msdyn_workorderservice records.
Create a BookableResourceBooking record linked to the work order via the msdyn_msdyn_workorder_bookableresourcebooking_WorkOrder relationship, referencing a BookableResource (technician) and time window.
Authenticate with Azure AD OAuth2 (client credentials or on-behalf-of) against the environment's Dataverse Web API endpoint, using an api-version 9.2 request.
Update work order status (e.g., to Scheduled/Completed) by patching the msdyn_workorder record as the booking progresses.
Known gotchas
BookableResourceBooking is a core Dataverse/Dynamics 365 scheduling entity, not Field-Service-only — get the relationship name exactly right or the booking won't link to the work order.
Required fields on msdyn_workorder vary by org customization; check IsValidForCreate on the entity metadata rather than assuming a fixed required-field list.
Web API calls need the correct organization URL per environment; there's no single global Dynamics endpoint.
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