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Execute Wait activity in Azure Data Factory and Synapse Analytics

  • บทความ

When you use a Wait activity in a pipeline, the pipeline waits for the specified period of time before continuing with execution of subsequent activities.

APPLIES TO: Azure Data Factory Azure Synapse Analytics

Tip

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Create a Wait activity with UI

To use a Wait activity in a pipeline, complete the following steps:

  1. Search for Wait in the pipeline Activities pane, and drag a Wait activity to the pipeline canvas.

  2. Select the new Wait activity on the canvas if it is not already selected, and its Settings tab, to edit its details.

    Shows the UI for a Wait activity.

  3. Enter a number of seconds for the activity to wait. This can be a literal number, or any combination of dynamic expressions, functions, system variables, or outputs from other activities.

Syntax

{
    "name": "MyWaitActivity",
    "type": "Wait",
    "typeProperties": {
        "waitTimeInSeconds": 1
    }
}

Type properties

Property Description Allowed values Required
name Name of the Wait activity. String Yes
type Must be set to Wait. String Yes
waitTimeInSeconds The number of seconds that the pipeline waits before continuing with the processing. Integer Yes

Example

Note

This section provides JSON definitions and sample PowerShell commands to run the pipeline. For a walkthrough with step-by-step instructions to create a pipeline by using Azure PowerShell and JSON definitions, see tutorial: create a data factory by using Azure PowerShell.

Pipeline with Wait activity

In this example, the pipeline has two activities: Until and Wait. The Wait activity is configured to wait for one second. The pipeline runs the Web activity in a loop with one second waiting time between each run.

{
    "name": "DoUntilPipeline",
    "properties": {
        "activities": [
            {
                "type": "Until",
                "typeProperties": {
                    "expression": {
                        "value": "@equals('Failed', coalesce(body('MyUnauthenticatedActivity')?.status, actions('MyUnauthenticatedActivity')?.status, 'null'))",
                        "type": "Expression"
                    },
                    "timeout": "00:10:00",
                    "activities": [
                        {
                            "name": "MyUnauthenticatedActivity",
                            "type": "WebActivity",
                            "typeProperties": {
                                "method": "get",
                                "url": "https://www.fake.com/",
                                "headers": {
                                    "Content-Type": "application/json"
                                }
                            },
                            "dependsOn": [
                                {
                                    "activity": "MyWaitActivity",
                                    "dependencyConditions": [ "Succeeded" ]
                                }
                            ]
                        },
                        {
                            "type": "Wait",
                            "typeProperties": {
                                "waitTimeInSeconds": 1
                            },
                            "name": "MyWaitActivity"
                        }
                    ]
                },
                "name": "MyUntilActivity"
            }
        ]
    }
}

Related content

See other supported control flow activities: