# Mechanism

Perennial's Intents are signed EIP712 messages which are verified by a market contract to modify a user's position. When an Intent is executed it becomes a normal position within a market that subject to the same fees and liquidations as a position submitted onchain.\
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What makes Intents unique is that they are **priced directly with the maker** executing the order. **Takers** are guaranteed the price they submit, inclusive of fees. The pricing occurs without the intervention of the Market's AMM as the **Maker** takes the inverse of the order. 

Lets dive into some details:

### Collateral

As is standard in Perennial, all actors in the system must first deposit collateral to back their respective positions. Given this, an intent is only valid if the account associated with the intent has collateral in that corresponding market. 

### Flat Skew 

When executing a **Taker's** intent, the **Maker** *must* take the other side of the intent for it to be settled down to the AMM. This ensures that the **Taker's** intent has no impact on the AMMs price. 

<figure><img src="/files/QrAPmOc35sbwlUrwJXoD" alt=""><figcaption><p>A users &#x26; maker's intents being added to a market .</p></figcaption></figure>

In the above example a **Taker** wants to open a 10 Long intent, the **Maker** must open a 10 Short position to keep the skew the same.&#x20;

### Intent Structure

Intents take the form of a signed EIP-712 signed message.  You can see more [here](/protocol/intents/specification.md#intent-structure).


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