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Introduction to UiPath Maestro™
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- Model your first process
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  - How to - Complex process
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Process modeling
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Maestro user guide

Last updated Sep 26, 2025

BPMN-supported elements

The Maestro canvas is compliant with the BPMN 2.0 standard, and supports the following Start, Intermediate, and End elements for execution. All elements are supported for modeling.

Legend:

= Available for execution

= Not available for execution

Events

Table 1. Start execution elements
Type	Normal	Event sub-process	Event sub-process non-interrupting
None
Message*
Timer
Error
Signal
Conditional
Escalation
Compensation
Cancel
Terminate
Link
Multiple
Multiple parallel

All elements are supported for modeling. The not available mark only refers to execution support.

* —These elements are supported for execution via Integration Service connectors.

Table 2. Intermediate execution elements
Type	Catch	Boundary	Boundary non-interrupting	Throw
None
Message*
Timer
Error
Signal
Conditional
Escalation
Compensation
Cancel
Terminate
Link
Multiple
Multiple parallel

All elements are supported for modeling. The not available mark only refers to execution support.

* —These elements are supported for execution via Integration Service connectors.

Table 3. End execution elements
Type	End
None
Message*
Timer
Error
Signal
Conditional
Escalation
Compensation
Cancel
Terminate
Link
Multiple
Multiple parallel

All elements are supported for modeling. The not available mark only refers to execution support.

* —These elements are supported for execution via Integration Service.

Non-events

Table 4. Tasks
BPMN construct	Supported in Modeler	Supported in Execution
Undefined Task
User Task*
Service Task
Receive Task**
Send Task**
Business Rule Task
Script Task
Manual Task
Receive Task (instantiated)

All elements are supported for modeling. The not available mark only refers to execution support.

* —With UiPath Apps.

** —These elements are supported for execution via Integration Service connectors.

Table 5. Gateways
BPMN construct	Supported in Modeler	Supported in Execution
Exclusive Gateway
Parallel Gateway
Inclusive Gateway
Event Gateway
Complex Gateway

All elements are supported for modeling. The not available mark only refers to execution support.

Table 6. Markers
BPMN construct	Supported in Modeler	Supported in Execution
Multi-instance parallel
Multi-instance sequential
Loop
Compensation

All elements are supported for modeling. The not available mark only refers to execution support.

Table 7. Data
BPMN construct	Supported in Modeler	Supported in Execution
Data Object
Data Store

All elements are supported for modeling. The not available mark only refers to execution support.

Table 8. Artifacts
BPMN construct	Supported in Modeler	Supported in Execution
Text Annotation
Group

All elements are supported for modeling. The not available mark only refers to execution support.

Participants

BPMN construct	Supported in Modeler	Supported in Execution
Pool
Lane

All elements are supported for modeling. The not available mark only refers to execution support.

Sub-processes

BPMN construct	Supported in Modeler	Supported in Execution
Sub-process
Call activity
Event sub-process
Transaction

Note: UiPath Maestro™ does not support collapsed pools (also known as black box pools), which are pools that do not display their internal process flow.

On this page

Events
Non-events
Participants
Sub-processes

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