# Attendance

Activity attendance is an integral part of the on-chain footprint, and POAP is the proof of attendance for on-chain activities. Developers can query a user's past POAP attendance credentials to infer that the user the address points to might be a potential participant in an activity.

### **POAP attendance events**

POAP is Proof of Attendance Protocol，each POAP is a digital record held by collectors as digital proof that they attended, or participated in, a physical, virtual, or spiritual event. Developers can check the POAPs obtained from address participation in web3 activities by querying the address.

* Address of the participating POAP

```
{
  addrs{
    address
    attendEvents{
      name
      id
    }
  }
}
```

* Which addresses are participating in POAP

```
{
  events{
    id
    name
    addrsAttend{
      address
    }
  }
}
```

**Explanation:** The result shows the all poap events the address `“0x896002e29fe4cda28a3ae139b0bf7bac26b33a8c”` has once participated in, and we may get a conclusion that this user may be an art amateur. Thus we can consider he/she as a potential participant if there is a new web3 project related to art field.


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.knn3.xyz/graphql/categories/attendance.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.