> For the complete documentation index, see [llms.txt](https://docs.blueseasx.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blueseasx.com/server-bidding/server-integration/bidrequest-object/ext-object.md).

# Ext Object

| **Attribute**     | **Type** | **Description**                     | **Required** |
| ----------------- | -------- | ----------------------------------- | ------------ |
| mediation         | object   | Pass the mediation and adapter info | yes          |
| mediation.m\_name | string   | Mediation name, eg. max             | yes          |
| mediation.m\_ver  | string   | Mediation sdk version code          | yes          |
| mediation.a\_ver  | string   | Adapter version code                | yes          |
| token             | string   | Token generated by BlueSea SDK      | yes          |