> For the complete documentation index, see [llms.txt](https://docs.appmixer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.appmixer.com/connector-configuration/utils/filters/identity.md).

# Identity

### Overview

The **Identity Filter Component** allows messages to pass through unchanged. It acts as a transparent relay, forwarding incoming data to the output without modification.

### Usage

This component is used in workflows where an incoming message needs to be relayed without transformation, ensuring seamless message propagation.

#### Input Ports

| Port | Description                   |
| ---- | ----------------------------- |
| `in` | Accepts the incoming message. |

#### Output Ports

| Port  | Description                                       |
| ----- | ------------------------------------------------- |
| `out` | Emits the same message received at the `in` port. |

#### Processing Logic

1. **Receives Input Data**:
   * Accepts any incoming message at the `in` port.
2. **Forwards Data Unchanged**:
   * Passes the received content directly to the `out` port without any processing or filtering.
3. **Maintains Message Integrity**:
   * Ensures that message type and encoding remain intact.

#### Output Data Schema

| Property          | Type     | Description                                                               |
| ----------------- | -------- | ------------------------------------------------------------------------- |
| `content`         | `any`    | The original message content, unchanged.                                  |
| `contentType`     | `string` | The type of the message content (e.g., `application/json`, `text/plain`). |
| `contentEncoding` | `string` | The encoding format of the message content.                               |

### Notes

* **Transparent Message Relay**: Forwards messages exactly as received.
* **No Filtering or Transformation**: Ensures data integrity.
* **Ideal for Debugging & Workflow Testing**: Helps verify message flow within a pipeline.

This component is essential for workflows where messages need to be relayed unchanged while maintaining their structure and metadata.


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