Queues, Triggers

Hellow,

Can some one explain about queue how to add manulally not throgh dispatcher and also can we add each queeu item if yes how? Can some one one explain about triggers and types and how and when to use , how it works with exapmles.

And mainly explain elaborately on API trigger vs Event Trigger.

Hi @Abhi5

Queues can be filled manually from Orchestrator (Queues → Add Item) or directly in a workflow using Add Queue Item, even without a dispatcher. Each Add Queue Item creates one queue item, usually done in a loop.

Triggers control when a job starts:

  • Time Trigger runs on a schedule.
  • Queue Trigger starts jobs when queue items arrive.
  • Event Trigger starts when a supported event happens (email, file upload, etc.).

Event Trigger is UiPath-managed and easy to configure. API Trigger is started by an external system calling Orchestrator APIs. Use Event Triggers for built-in events, API Triggers when an external app needs to control execution.

@Abhi5

I see you are trying to learn would suggest you to go through academy courses first and use the platform a little so that you can gain understanding..

All the best

cheers

1 Like

Hi @Abhi5

Pls checck below link:

Happy Automation

Hi @Abhi5

Yes you can use add items without using dispatcher, go to orchestrator - queues and add items provide your specific content and click on add.
I can give one example on the API Trigger: make use with portals or customer facing systems
For event baser triggers example
Email based automations or something like when new file or folder added those cases we can use.
For more you can go through below link,

Hi @Abhi5

UiPath Queue – What & Why

A Queue is used to store work items (transactions) that robots process one by one or in parallel.

Why queues are used

  • Retry failed items
  • Parallel processing (scalability)
  • Tracking status (New, In Progress, Successful, Failed)
  • Decouple data input from processing

How to Add Queue Items Manually (Without Dispatcher)

Orchestrator UI (Manual)

  1. Go to Orchestrator → Queues
  2. Open your queue
  3. Click Add Queue Item
  4. Enter:
  • Specific Content (key-value pairs)
  • Priority / Reference
  1. Click Add

Used for testing, ad-hoc runs, production fixes

Dispatcher vs Non-Dispatcher Approach

Dispatcher Non-Dispatcher
Reads bulk data Adds items dynamically
Adds all queue items at once Adds items one by one
Used for large batch Used for real-time triggers
Classic REFramework Modern event/API models

What Is a Trigger in UiPath?

A Trigger automatically starts a job without human intervention.

Regards,
Gokul

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