> For the complete documentation index, see [llms.txt](https://docs.ingestlabs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ingestlabs.com/media-data-platform/data-sources/edit-data-source.md).
# Edit Data Source
Use this option to edit an existing data source.
**Step 1**: From the left navigation panel, select **Data Sources**.
**Step 2**: Select the **Data Source** you want to edit.
**Step 3**: Info
**Step 3.1**: Click the **Edit** button located on the right side to make the necessary changes.
**Note**: You can edit the Name, Description, and Data Source Properties, but the Source Type and Connector cannot be edited.
**Step 3.2**: **Placeholders**
**Step 3.3**: Click the **Placeholders** dropdown to view available fields.
**Step 3.4**: **Name:** Specifies the placeholder’s name.
**Step 3.5**: **Value:** Defines the corresponding value assigned to the placeholder.
**Step 3.6**: **Data Type**
**Step 3.7**: Click the **Data Type** dropdown.
The available options are:
* **String** – Represents text-based data
* **Integer** – Represents whole numbers
* **Float** – Represents decimal numbers
* **Boolean** – Represents a true or false value
* **Timestamp** – Represents date and time values
**Step 3.8**: Array Option
Under the **Is an Array?** section, select either:
True - If the field supports multiple values
False – If the field supports only a single value
**Step 3.9: Timestamp Column (To fetch delta set of records)**
**Step 3.10 :** Click the **Timestamp Column** dropdown to select:
**Table Name:** Specifies the name of the table containing the records
**Column Name:** Specifies the column used for tracking timestamped changes
**Step 3.11:** Data Format
**Step 3.12:** Click the **Data Format** dropdown
**Step 3.13:** Under **Format Type**, select **JSON Format** to structure data in a JSON format.
**Step 4**: Metadata
**Step 4.1**: Click the **Edit** button located on the right side to make the necessary changes.
**Step 4.2**: Click the **Add button** to add a Key and its Value.
**Note**: You cannot edit existing Keys and Values.
**Step 4.3**: Click **Save**.
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