# Modify one dynamic playlist input
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In the specified event (which must be currently running), modify the specified dynamic playlist input (which must be non-Active).

The input can be modified in any way, so long as it follows the rules for inputs in a dynamic playlist, as described in [Tips for elements and tags](add-dynamic-playlist-inputs.md#add-dynamic-playlist-tips-for-elements-and-tags).

## HTTP Request and Response
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### HTTP URL
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To specify the input by its REST ID:

```
PUT http://<Live IP address>/live_events/<event ID>/inputs/<input id>
```

To specify the input by the input label: 

```
POST http://<Live IP address>/live_events/<event ID>/inputs/by_label/<input_label>
```

The input label is the value in the <input\_label>; you may have included this tag when you first created the input. If you did not specify an input label, you cannot use this signature to modify.

### Body of HTTP
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XML content consisting of one input element that each contains only the tags to modify. 

### Response
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200 OK for a successful request.

## Example
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### Request
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This request modifies the input with the ID 28 that is in the event with the ID 31. It modifies the input so to point to a different asset.

```
PUT http://10.4.136.92/live_events/31/inputs/28
-----------------------------------------------
<input>
  <network_input>
    <uri>udp://10.0.0.1:5005</uri>
  </network_input>
</input>
```