> For the complete documentation index, see [llms.txt](https://docs.verified.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.verified.network/reference/verified-sdk/staking-to-invest/market-maker-functions.md).

# Market maker functions

List of liquidity pool managers is returned by the [`getPlatforms`](#check-accepted-tokens) function on the Liquidity contract. Making the offer of liquidity is by calling the [`offer`](#request-exchange-of-verified-cash-tokens) function on the Liquidity pool manager contracts  that are deployed for each connected Defi platform such as Balancer. 

### **Get list of Liquidity pool managers**

`getPlatforms()`

this function returns a tuple of liquidity providers with each element containing an array comprising of  

| Return parameter | Description                                    |
| ---------------- | ---------------------------------------------- |
| \_platformName   | name of connected Defi platform                |
| \_address        | address of liquidity pool manager              |
| \_isin           | identifier of security token in liquidity pool |

### **Offer liquidity** 

`offer(_owned, _isin, _offered, _tomatch, _desired, _min)`

<table data-header-hidden><thead><tr><th width="323.81975071907954">Function parameter</th><th>Description</th></tr></thead><tbody><tr><td>Function parameter</td><td>Description</td></tr><tr><td>_owned</td><td>address of offered asset</td></tr><tr><td>_isin</td><td>identifier of security token for which offer of liquidity is made</td></tr><tr><td>_offered</td><td>amount of asset offered as liquidity</td></tr><tr><td>_tomatch</td><td>address of security token for which offer of liquidity is made</td></tr><tr><td>_desired</td><td>amount of security tokens desired in exchange for offered liquidity</td></tr><tr><td>_min</td><td>minimum amount of security tokens desired in exchange for offered liquidity</td></tr></tbody></table>


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