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docs: combine text component is legacy (#8139)

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docs/docs/Components/components-processing.md
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@ -42,48 +42,6 @@ The component iterates through the input list of data objects, merging them into
</details>
## Combine text
This component concatenates two text sources into a single text chunk using a specified delimiter.
1. To use this component in a flow, connect two components that output [Messages](/concepts-objects#message-object) to the **Combine Text** component's **First Text** and **Second Text** inputs.
This example uses two **Text Input** components.
![Combine text component](/img/component-combine-text.png)
2. In the **Combine Text** component, in the **Text** fields of both **Text Input** components, enter some text to combine.
3. In the **Combine Text** component, enter an optional **Delimiter** value.
The delimiter character separates the combined texts.
This example uses `\n\n **end first text** \n\n **start second text** \n\n` to label the texts and create newlines between them.
4. Connect a **Chat Output** component to view the text combination.
5. Click **Playground**, and then click **Run Flow**.
The combined text appears in the **Playground**.
```text
This is the first text. Let's combine text!
end first text
start second text
Here's the second part. We'll see how combining text works.
```
<details>
<summary>Parameters</summary>
**Inputs**
| Name | Display Name | Info |
|------|--------------|------|
| first_text | First Text | The first text input to concatenate. |
| second_text | Second Text | The second text input to concatenate. |
| delimiter | Delimiter | A string used to separate the two text inputs. The default is a space. |
**Outputs**
| Name | Display Name | Info |
|------|--------------|------|
| message | Message | A Message object containing the combined text. |
</details>
## DataFrame operations
This component performs operations on [DataFrame](https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.html) rows and columns.
@ -663,6 +621,53 @@ This component modifies metadata of input objects. It can add new metadata, upda
</details>
### Combine text
:::important
This component is in **Legacy**, which means it is no longer in active development.
Instead, use the [Combine data](#combine-data) component.
:::
This component concatenates two text sources into a single text chunk using a specified delimiter.
1. To use this component in a flow, connect two components that output [Messages](/concepts-objects#message-object) to the **Combine Text** component's **First Text** and **Second Text** inputs.
This example uses two **Text Input** components.
![Combine text component](/img/component-combine-text.png)
2. In the **Combine Text** component, in the **Text** fields of both **Text Input** components, enter some text to combine.
3. In the **Combine Text** component, enter an optional **Delimiter** value.
The delimiter character separates the combined texts.
This example uses `\n\n **end first text** \n\n **start second text** \n\n` to label the texts and create newlines between them.
4. Connect a **Chat Output** component to view the text combination.
5. Click **Playground**, and then click **Run Flow**.
The combined text appears in the **Playground**.
```text
This is the first text. Let's combine text!
end first text
start second text
Here's the second part. We'll see how combining text works.
```
<details>
<summary>Parameters</summary>
**Inputs**
| Name | Display Name | Info |
|------|--------------|------|
| first_text | First Text | The first text input to concatenate. |
| second_text | Second Text | The second text input to concatenate. |
| delimiter | Delimiter | A string used to separate the two text inputs. The default is a space. |
**Outputs**
| Name | Display Name | Info |
|------|--------------|------|
| message | Message | A Message object containing the combined text. |
</details>
### Create data
:::important