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A connector is a proxy or a wrapper around an API that allows the underlying service to talk to Microsoft Power Automate, Microsoft Power Apps, and Azure Logic Apps. It provides a way for users to connect their accounts and leverage a set of prebuilt actions and triggers to build their apps and workflows.
Our large ecosystem of software as a service (SaaS) connectors enables you to connect apps, data, and devices in the cloud. Examples of popular connectors include Salesforce, Office 365, Twitter, Dropbox, Google services, and more.
Here are the architecture components and what they do:
Credential and metadata store—A service to store connector metadata (swagger, connection, ACLs, etc.), and credentials associated with a connection.
- Azure APIM (API Manager) to host all the swagger and policies. In addition to being the entry point for all calls that interact with the connector calls, Azure APIM verifies keys, tokens, certificates, and other credentials.
- App Service Environment to host connector webapps.
Each connector offers a set of operations classified as actions and triggers. Once you connect to the underlying service, these operations can be easily leveraged within your apps and workflows.
Actions are changes directed by a user. For example, you would use an action to look up, write, update, or delete data in a SQL database. All actions directly map to operations defined in the swagger.
Several connectors provide triggers that can notify your app when specific events occur. For example, the FTP connector has the OnUpdatedFile trigger. You can build either a Logic App or a flow that listens to this trigger and performs an action whenever the trigger fires.
There are two types of triggers:
Polling Triggers—These triggers call your service at a specified frequency to check for new data. When new data is available, it causes a new run of your workflow instance with the data as input.
Push Triggers—These triggers listen for data on an endpoint, that is, they wait for an event to occur. The occurrence of this event causes a new run of your workflow instance.
Triggers are not supported in Power Apps. Learn how to start a flow in an app.
Connectors are available for use in multiple products.
Work smarter by building workflows and automating processes across your apps and services. Streamline notifications, sync data between systems, automate approval, and more.
Power Apps enables users to build cloud connected and cross platform business apps using clicks and minimal code. Create rich user experiences across the web, phones, and tablets. Assemble forms, add business logic, and take advantage of device capabilities with full creative freedom.
Logic Apps is the workflow engine for Power Automate. It enables pro-developers to visually create or programmatically configure workflows in Azure. A connector in Logic Apps enables users to automate EAI, Business to business (B2B), and Business to consumer (B2C) scenarios while reaping the benefits of source control, testing, support, and operations.
We offer a wide variety of connectors, but sometimes you might want to call APIs, services, and systems that aren't available as prebuilt connectors. To support more tailored scenarios, you can build custom connectors with their own triggers and actions. These connectors are function-based—data is returned based on calling specific functions in the underlying service.
We greatly appreciate feedback on issues with our connector platform, or new feature ideas. To provide feedback, go to Submit issues or get help with connectors and select your feedback type.