Skip to main content

digital_twins

Creates, updates, deletes, gets or lists a digital_twins resource.

Overview​

Namedigital_twins
TypeResource
Idazure.digital_twins_core.digital_twins

Fields​

The following fields are returned by SELECT queries:

NameDatatypeDescription
$relationshipIdstringA user-provided string representing the id of this relationship, unique in the context of the source digital twin, i.e. sourceId + relationshipId is unique in the context of the service.
$relationshipLinkstringLink to the relationship, to be used for deletion.
$relationshipNamestringThe name of the relationship.
$sourceIdstringThe id of the source digital twin.

Methods​

The following methods are available for this resource:

NameAccessible byRequired ParamsOptional ParamsDescription
list_incoming_relationshipsselectid, endpointtraceparent, tracestateRetrieves all incoming relationship for a digital twin. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found.
updateupdateid, endpointtraceparent, tracestate, If-MatchUpdates a digital twin. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id or payload is invalid. * JsonPatchInvalid - The JSON Patch provided is invalid. * ValidationFailed - Applying the patch results in an invalid digital twin. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.
deletedeleteid, endpointtraceparent, tracestate, If-MatchDeletes a digital twin. All relationships referencing the digital twin must already be deleted. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id is invalid. * RelationshipsNotDeleted - The digital twin contains relationships. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.
list_relationshipsexecid, endpointtraceparent, tracestate, relationshipNameRetrieves the relationships from a digital twin. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found.
get_by_idexecid, endpointtraceparent, tracestateRetrieves a digital twin. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found.
addexecid, endpointtraceparent, tracestate, If-None-MatchAdds or replaces a digital twin. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id or payload is invalid. * ModelDecommissioned - The model for the digital twin is decommissioned. * TwinLimitReached - The maximum number of digital twins allowed has been reached. * ValidationFailed - The digital twin payload is not valid. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.
get_relationship_by_idexecid, relationship_id, endpointtraceparent, tracestateRetrieves a relationship between two digital twins. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id or relationship id is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * RelationshipNotFound - The relationship was not found.
add_relationshipexecid, relationship_id, endpointtraceparent, tracestate, If-None-MatchAdds a relationship between two digital twins. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id, relationship id, or payload is invalid. * InvalidRelationship - The relationship is invalid. * OperationNotAllowed - The relationship cannot connect to the same digital twin. * ValidationFailed - The relationship content is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * TargetTwinNotFound - The digital twin target of the relationship was not found. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.
delete_relationshipexecid, relationship_id, endpointtraceparent, tracestate, If-MatchDeletes a relationship between two digital twins. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id or relationship id is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * RelationshipNotFound - The relationship was not found. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.
update_relationshipexecid, relationship_id, endpointtraceparent, tracestate, If-MatchUpdates the properties on a relationship between two digital twins. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id or relationship id is invalid. * InvalidRelationship - The relationship is invalid. * JsonPatchInvalid - The JSON Patch provided is invalid. * ValidationFailed - The relationship content is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * RelationshipNotFound - The relationship was not found. * 409 Conflict * RelationshipAlreadyExists - The relationship already exists. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.
get_componentexecid, component_path, endpointtraceparent, tracestateRetrieves a component from a digital twin. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id or component path is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * ComponentNotFound - The component path was not found.
update_componentexecid, component_path, endpointtraceparent, tracestate, If-MatchUpdates a component on a digital twin. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id, component path, or payload is invalid. * JsonPatchInvalid - The JSON Patch provided is invalid. * ValidationFailed - Applying the patch results in an invalid digital twin. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.
send_telemetryexecid, Message-Id, endpointtraceparent, tracestate, Telemetry-Source-TimeSends telemetry on behalf of a digital twin. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id or message id is invalid. * ValidationFailed - The telemetry content is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found.
send_component_telemetryexecid, component_path, Message-Id, endpointtraceparent, tracestate, Telemetry-Source-TimeSends telemetry on behalf of a component in a digital twin. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id, message id, or component path is invalid. * ValidationFailed - The telemetry content is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * ComponentNotFound - The component path was not found.

Parameters​

Parameters can be passed in the WHERE clause of a query. Check the Methods section to see which parameters are required or optional for each operation.

NameDatatypeDescription
Message-IdstringA unique message identifier (in the scope of the digital twin id) that is commonly used for de-duplicating messages. Required.
component_pathstringThe name of the DTDL component. Required.
endpointstringThe service endpoint host (no scheme). (default: )
idstringThe id of the digital twin. The id is unique within the service and case sensitive. Required.
relationship_idstringThe id of the relationship. The id is unique within the digital twin and case sensitive. Required.
If-Matchstring
If-None-Matchstring
Telemetry-Source-TimestringAn RFC 3339 timestamp that identifies the time the telemetry was measured. Default value is None.
relationshipNamestringThe name of the relationship. Default value is None.
traceparentstring
tracestatestring

SELECT examples​

Retrieves all incoming relationship for a digital twin. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found.

SELECT
$relationshipId,
$relationshipLink,
$relationshipName,
$sourceId
FROM azure.digital_twins_core.digital_twins
WHERE id = '{{ id }}' -- required
AND endpoint = '{{ endpoint }}' -- required
AND traceparent = '{{ traceparent }}'
AND tracestate = '{{ tracestate }}'
;

UPDATE examples​

Updates a digital twin. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id or payload is invalid. * JsonPatchInvalid - The JSON Patch provided is invalid. * ValidationFailed - Applying the patch results in an invalid digital twin. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.

UPDATE azure.digital_twins_core.digital_twins
SET
traceparent = '{{ traceparent }}',
tracestate = '{{ tracestate }}',
If-Match = '{{ If-Match }}'
WHERE
id = '{{ id }}' --required
AND endpoint = '{{ endpoint }}' --required
AND traceparent = '{{ traceparent}}'
AND tracestate = '{{ tracestate}}'
AND If-Match = '{{ If-Match}}';

DELETE examples​

Deletes a digital twin. All relationships referencing the digital twin must already be deleted. Status codes: * 204 No Content * 400 Bad Request * InvalidArgument - The digital twin id is invalid. * RelationshipsNotDeleted - The digital twin contains relationships. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found. * 412 Precondition Failed * PreconditionFailed - The precondition check (If-Match or If-None-Match) failed.

DELETE FROM azure.digital_twins_core.digital_twins
WHERE id = '{{ id }}' --required
AND endpoint = '{{ endpoint }}' --required
AND traceparent = '{{ traceparent }}'
AND tracestate = '{{ tracestate }}'
AND If-Match = '{{ If-Match }}'
;

Lifecycle Methods​

Retrieves the relationships from a digital twin. Status codes: * 200 OK * 400 Bad Request * InvalidArgument - The digital twin id is invalid. * 404 Not Found * DigitalTwinNotFound - The digital twin was not found.

EXEC azure.digital_twins_core.digital_twins.list_relationships
@id='{{ id }}' --required,
@endpoint='{{ endpoint }}' --required,
@traceparent='{{ traceparent }}',
@tracestate='{{ tracestate }}',
@relationshipName='{{ relationshipName }}'
@@json=
'{
"traceparent": "{{ traceparent }}",
"tracestate": "{{ tracestate }}"
}'
;