My Schema looks like this (exact code here)
<pre><code>const mongoose = require('mongoose');

const userSchema = new mongoose.Schema({
 number: {
 type: String,
 required: 'Number cannot be blank',
 unique: true,
 },
 messages: [
 {
 type: String
 }
 ],
 media: [
 {
 type: String
 }
 ],
 logs: [
 {
 type: String,
 }
 ]
});

const User = mongoose.model('User', userSchema);

module.exports=User;
</code></pre>I want to do these things below:
<ul>
<li>Make the 
<code>logs</code> expire after 24 hours</li>
<li>store the
<code>logs</code> in the DB by the latest one which was created</li>
</ul>
Stack = Node + Express + MongoDB (using mongoose)

**My Schema looks like this (exact code here)**


```
const mongoose = require('mongoose');

const userSchema = new mongoose.Schema({
	number:	{
		type: String,
		required: 'Number cannot be blank',
		unique: true,
	},
	messages: [
		{
			type: String
		}
	],
	media: [
		{
			type: String
		}
	],
	logs: [
		{
			type: String,
		}
	]
});

const User = mongoose.model('User', userSchema);

module.exports=User;
``` 

*I want to do these things below:*

- Make the 
```
logs
```  expire after 24 hours
- store the
```logs
```  in the DB by the latest one which was created

Stack = Node + Express + MongoDB (using mongoose)

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