# libtmux.query.encode_json

- **Module:** libtmux.query
- **Package:** libtmux
- **Language:** Lua
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-lua/blob/547c9c4228e07ebf846690eb44da2eeeb6fde922/lua/libtmux/query.lua#L15
- **Page:** https://libtmux.org/en/lua/latest/reference/libtmux-query-encode_json/

```
libtmux.query.encode_json(schema: libtmux.QuerySchema, criteria: libtmux.Where, codec: table) -> string?, libtmux.QueryError?
```

Encode this Lua API's versioned JSON profile using an explicit consumer codec.

## Parameters

- `schema` (libtmux.QuerySchema)
- `criteria` (libtmux.Where)
- `codec` (table): A trusted lunajson-compatible encoder and SAX parser.