Schedule

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Activity Description

This activity is designated as an Event Source, indicating that it serves as a trigger and will always be the first activity in a workflow. Its purpose is to schedule when the workflow should be triggered. The scheduling options include triggering once at a given time or repeated executions based on a cron expression.

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Properties

Activity Group	Common
Activity Type	EVENT_SOURCE
Activity Name	Schedule
Schedule Type	null
Initial Delay	null
Delay	null
Period	null
Once At	null
Schedule Expression	null
Zone Id	null

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Sample Configuration

{
  "name": "Schedule",
  "description": "Schedule is Event Source - which means it is a trigger and will always be the first activity in a workflow. This activity is used to schedule at what time the workflow should trigger. The options are once at a given time, or repeated executions based on cron expression.",
  "properties": {
    "activityGroup": "Common",
    "activityType": "EVENT_SOURCE",
    "activityName": "Schedule",
    "scheduleType": "REPEATED", 
    "initialDelay": 0,
    "delay": 30000, 
    "period": 60000, 
    "onceAt": null,
    "scheduleExpression": "0 0 12 * * ?", 
    "zoneId": "UTC"
  }
}

In this example:

• Schedule Type: "REPEATED" indicates that the workflow should be triggered repeatedly.

• Initial Delay: 0 indicates no initial delay before the first execution.

• Delay: 30000 milliseconds (30 seconds) is the delay between successive executions.

• Period: 60000 milliseconds (1 minute) is the duration between repeated executions.

• Once At: null since it's a repeated schedule.

• Schedule Expression: "0 0 12 * * ?" is a sample cron expression representing daily execution at 12:00 PM.

• Zone Id: "UTC" specifies the time zone as Coordinated Universal Time.

This is a sample configuration, and you can adjust the values based on your specific requirements and scheduling needs.

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Adding "Schedule "Activity to Workflow

1. Go to the "Activities" section on the left side.

2. Find and choose the activities you need.

3. Drag them onto the canvas to create your workflow.

4. For scheduling tasks, drag the "Schedule" activity onto the canvas.

Configuring the "Schedule" Activity