Read Message from Event Hub activity

An activity that reads a device-to-cloud message from Event Hub that is registered in Microsoft Azure IoT.


Read Message from Event Hub activity

Configure the Read Message from Event Hub activity

To configure the Read Message from Event Hub activity, do the procedure in this topic.

Prerequisites

Good to Know

How to Start

  1. Open Process Builder.

    For information about how to open this screen, refer to Process Builder.


    Open Process Builder
  2. In Process Builder, in the Activity Library open the MS Azure IoT tab.

    Open MS Azure IoT tab
  3. On the MS Azure IoT tab, drag the Read Message from Event Hub activity onto your process.

    Drag Read Message From Event Hub activity

General Configuration

Specifies the basic settings for the Read Message from Event Hub activity.

Figure: General Configuration screen

General Configuration screen

Good to Know

  • Documentation for this screen is provided for completeness. The fields are mostly self-explanatory.

Fields

Field NameDefinition

Display Name

Description:
Specifies the activity name that shows in your process.
Allowed Values:
One line of text (a string).

Accepted:

  • Letters
  • Numbers
  • Spaces
Default Value:
None
Accepts Variables:
No
Example:
This is a common configuration field that is used in many examples. Refer to:
  • Examples - Step-by-step use case examples, information about what types of examples are provided in the AgilePoint NX Product Documentation, and other resources where you can find more examples.

Description

Description:
Specifies an optional text description for your activity.
Allowed Values:
More than one line of text.
Default Value:
None
Accepts Variables:
No

Read Message from Event Hub Configuration

Configures how to store the message from Event Hub.

Figure: Read Message from Event Hub Configuration screen

Read Message from Event Hub Configuration screen

Fields

Field NameDefinition

MS Azure IoT

Description:
Specifies the access token that connects to your Microsoft Azure IoT service.
Allowed Values:
A list of access tokens configured for your environment.
Default Value:
None
Accepts Variables:
No

Create Add Token icon

Opens this Screen:
Access Token for Microsoft Azure IoT
Function of this Screen:
Configure an access token to connect to Microsoft Azure IoT.

Device ID

Description:
Specifies the device ID for your IoT device to read message.
Allowed Values:
A device ID from Microsoft Azure IoT.
Default Value:
None
Accepts Variables:
Yes
Limitations:

Some information about third-party integrations is outside the scope of the AgilePoint NX Product Documentation. It is the responsibility of the vendors who create and maintain these technologies to provide this information. This includes specific business use cases and examples; explanations for third-party concepts; details about the data models and input and output data formats for third-party technologies; and various types of IDs, URL patterns, connection string formats, or other technical information that is specific to the third-party technologies. For more information, refer to Where Can I Find Information and Examples for Third-Party Integrations?

Retry Count

Description:
Specifies the number of times Microsoft Azure IoT tries to read messages from Event Hub.
Allowed Values:
An integer.

Range

  • Greater than 0
Default Value:
60
Accepts Variables:
Yes

Delay Between Retry (milliseconds)

Description:
Specifies a time interval in milliseconds between each retry.
Allowed Values:
An integer.

Range

  • Greater than 0
Default Value:
1000
Accepts Variables:
Yes

Payload

Description:
Specifies the payload to store at runtime.
Allowed Values:
Default Value:
None
Accepts Variables:
Yes
Limitations:

Some information about third-party integrations is outside the scope of the AgilePoint NX Product Documentation. It is the responsibility of the vendors who create and maintain these technologies to provide this information. This includes specific business use cases and examples; explanations for third-party concepts; details about the data models and input and output data formats for third-party technologies; and various types of IDs, URL patterns, connection string formats, or other technical information that is specific to the third-party technologies. For more information, refer to Where Can I Find Information and Examples for Third-Party Integrations?

Sample Payload JSON

Description:
Specifies a JSON code snippet that connects your payload to the process schema.
To Open this Field:
  1. On the Read Message from Event Hub Configuration screen, click Map Response to Process Schema.
Allowed Values:
A JSON code snippet.
Default Value:
None
Accepts Variables:
No

Map Schema Map Schema icon

Opens this Screen:
Schema Mapper screen
To Open this Field:
  1. On the Read Message from Event Hub Configuration screen, click Map Response to Process Schema.
Function of this Screen:
Maps SharePoint fields, form fields, web methods, or other input sources to an XML schema..
Limitations:

Some information about third-party integrations is outside the scope of the AgilePoint NX Product Documentation. It is the responsibility of the vendors who create and maintain these technologies to provide this information. This includes specific business use cases and examples; explanations for third-party concepts; details about the data models and input and output data formats for third-party technologies; and various types of IDs, URL patterns, connection string formats, or other technical information that is specific to the third-party technologies. For more information, refer to Where Can I Find Information and Examples for Third-Party Integrations?