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title: Using Anypoint Studio to Configure A2A Connector 1.0
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# Using Anypoint Studio to Configure A2A Connector 1.0

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

Anypoint Studio (Studio) editors help you design and update your Mule applications, properties, and
configuration files.

To add and configure a connector in Studio:

1.  [Create a Mule project](#create-mule-project).

2.  [Add the connector to your Mule project](#add-connector-to-project).

3.  [Configure a source for the connector’s flow](#configure-source).

4.  [Add a connector operation to the flow](#add-connector-operation).

5.  [Configure a global element for the connector](#configure-global-element).

6.  [Configure the other connector fields](#configure-other-fields).

When you run the connector, you can view the app log to check for problems in real time, as
described in [View the App Log](#view-app-log).

If you are new to configuring connectors in Studio, see
[Using Anypoint Studio to Configure a Connector](https://docs.mulesoft.com/connectors/introduction/intro-config-use-studio).
If, after reading this topic, you need additional information about the connector fields, see the
[A2A Connector Reference](https://docs.mulesoft.com/a2a-connector/1.0/a2a-connector-reference).

## Create a Mule Project

In Studio, create a new Mule project in which to add and configure Anypoint Connector for A2A (A2A
Connector):

1.  In Studio, select **File > New > Mule Project**.

2.  Enter a name for your Mule project and click **Finish**.

## Add the Connector to Your Mule Project

Add A2A Connector to your Mule project to automatically populate the XML code with the connector’s
namespace and schema location and add the required dependencies to the project’s `pom.xml` file:

1.  In **Mule Palette**, click **(X) Search in Exchange**.

2.  In **Add Dependencies to Project**, type `a2a` in the search field.

3.  Click **A2A Connector** in **Available modules**.

4.  Click **Add**.

5.  Click **Finish**.

Adding a connector to a Mule project in Studio does not make that connector available to other
projects in your Studio workspace.

## Configure a Source

A source initiates a flow when a specified condition is met.

You can configure connector-specific sources, or other sources to use with A2A Connector, such as:

- **HTTP > Listener**

  Initiates a flow each time it receives a request on the configured host and port

- **Scheduler**

  Initiates a flow when a time-based condition is met

For example, to configure an **HTTP > Listener** source, follow these steps:

1.  In **Mule Palette**, select **HTTP > Listener**.

2.  Drag **Listener** to the Studio canvas.

3.  On the **Listener** configuration screen, optionally change the value of the **Display Name**
    field.

4.  Specify a value for the **Path** field.

5.  Click the plus sign (**+**) next to the **Connector configuration** field to configure a global
    element that can be used by all instances of the **HTTP > Listener** source in the app.

6.  On the **General** tab, specify the connection information for the connector.

7.  On the **TLS** tab, optionally specify the TLS information for the connector.

8.  On the **Advanced** tab, optionally specify reconnection information, including a reconnection
    strategy.

9.  Click **Test Connection** to confirm that Mule can connect with the specified server.

10. Click **OK**.

## Add a Connector Operation to the Flow

When you add a connector operation to your flow, you are specifying an action for that connector to
perform.

To add an operation for A2A Connector, follow these steps:

1.  In **Mule Palette**, select **A2A** and then select the desired operation.

2.  Drag the operation onto the Studio canvas, next to the source.

## Configure a Global Element for the Connector

When you configure a connector, configure a global element that all instances of that connector in
the app can use. Configuring a global element requires you to provide the authentication credentials
that the connector requires to access the target A2A system.

You can reference a configuration file that contains ANT-style property placeholders (recommended),
or you can enter your authorization credentials in the global configuration properties. For
information about the benefits of using property placeholders and how to configure them, see
[Anypoint Connector Configuration](https://docs.mulesoft.com/connectors/introduction/intro-connector-configuration-overview).

To configure the global element for A2A Connector, follow these steps:

1.  Select the operation in the Studio canvas.

2.  On the properties screen for the operation, click the Add (**+**) icon to access the global
    element configuration fields.

3.  In the **General** tab, in **Connection**, select the authentication method to configure:

    - [Expression or Bean Reference](#expression-or-bean-ref)

    - [Basic Authentication](#basic_authentication)

    - [Digest](#digest)

    - [NTLM](#ntlm)

4.  On the **TLS** tab, optionally specify the TLS information for the connector.

5.  On the **Advanced** tab, optionally specify reconnection information, including a reconnection
    strategy.

6.  Click **Test Connection** to confirm that Mule can connect with the specified server.

7.  Click **OK**.

### Expression or Bean Reference

Uses a DataWeave expression or bean reference to define authentication.

Enter the authentication information in the **Global Element Properties** screen:

1.  Select **General > Authentication > Expression or Bean reference** and enter the DataWeave
    expression.

2.  Click **OK**.

### Basic Authentication

Basic authentication is a simple (less secure) authentication scheme where the client sends the
username and password in plain text (encoded in Base64) in the HTTP Authorization header.

Enter the Basic authentication information in the **Global Element Properties** screen:

1.  Select **General > Authentication > Basic authentication** and enter or set the values for these
    fields:

    <table><colgroup><col> <col></colgroup><thead><tr><th>Field</th><th>User Action</th></tr></thead><tbody><tr><td><p><strong>Username</strong></p></td><td><div><div><p>Username used to initialize the session.</p></div></div></td></tr><tr><td><p><strong>Password</strong></p></td><td><div><div><p>Password used to authenticate the user.</p></div></div></td></tr><tr><td><p><strong>Preemptive</strong></p></td><td><div><div><p>If set to true, the client sends its authentication credentials (username and password) with the initial HTTP request to the server, rather than waiting for the server to challenge (401 Unauthorized) the client.</p></div></div></td></tr></tbody></table>

2.  Click **OK**.

### Digest

Digest is an HTTP authentication scheme that uses a challenge-response mechanism to avoid sending
passwords in plain text.

Enter the Digest authentication information in the **Global Element Properties** screen:

1.  Select **General > Authentication > Digest authentication** and enter or set the values for
    these fields:

    <table><colgroup><col> <col></colgroup><thead><tr><th>Field</th><th>User Action</th></tr></thead><tbody><tr><td><p><strong>Username</strong></p></td><td><div><div><p>Username used to initialize the session.</p></div></div></td></tr><tr><td><p><strong>Password</strong></p></td><td><div><div><p>Password used to authenticate the user.</p></div></div></td></tr><tr><td><p><strong>Preemptive</strong></p></td><td><div><div><p>If set to true, the client sends its authentication credentials (username and password) with the initial HTTP request to the server, rather than waiting for the server to challenge (401 Unauthorized) the client.</p></div></div></td></tr></tbody></table>

2.  Click **OK**.

### NTLM

NTLM authentication is a Microsoft authentication protocol used primarily in Windows environments.
It uses a challenge-response mechanism and is commonly used for network authentication.

Enter the NTLM authentication information in the **Global Element Properties** screen:

1.  Select **General > Authentication > Ntlm authentication** and enter or set the values for these
    fields:

    <table><colgroup><col> <col></colgroup><thead><tr><th>Field</th><th>User Action</th></tr></thead><tbody><tr><td><p><strong>Domain</strong></p></td><td><div><div><p>Name of the proxy domain.</p></div></div></td></tr><tr><td><p><strong>Workstation</strong></p></td><td><div><div><p>Name of the proxy workstation.</p></div></div></td></tr><tr><td><p><strong>Username</strong></p></td><td><div><div><p>Username used to initialize the session.</p></div></div></td></tr><tr><td><p><strong>Password</strong></p></td><td><div><div><p>Password used to authenticate the user.</p></div></div></td></tr><tr><td><p><strong>Preemptive</strong></p></td><td><div><div><p>If set to true, the client sends its authentication credentials (username and password) with the initial HTTP request to the server, rather than waiting for the server to challenge (401 Unauthorized) the client.</p></div></div></td></tr></tbody></table>

2.  Click **OK**.

## Configure Additional Connector Fields

After you configure a global element for A2A Connector, configure the other required fields for the
connector. The required fields vary depending on which connector operation you use.

## View the Application Log

To check for problems, you can view the app log as follows:

- If you’re running the app from Anypoint Platform, the app log output is visible on the Anypoint
  Studio console window.

- If you’re running the app using Mule from the command line, the app log output is visible in your
  operating system console.

Unless the log file path is customized in the app’s log file (`log4j2.xml`), you can also view the
app log in the default location `MULE_HOME/logs/<app-name>.log`. You can configure the location of
the log path in the app log file `log4j2.xml`.

## See Also

- [Introduction to Anypoint Connectors](https://docs.mulesoft.com/connectors/introduction/introduction-to-anypoint-connectors)

- [Using Studio to Configure a Connector](https://docs.mulesoft.com/connectors/introduction/intro-config-use-studio)

- [A2A Connector Reference](https://docs.mulesoft.com/a2a-connector/1.0/a2a-connector-reference)

- [Salesforce Help](https://help.salesforce.com)