> ## Documentation Index
> Fetch the complete documentation index at: https://developers.stellar.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Allow Trust Object

> Updates the “authorized” flag of an existing trust line.

Updates the “authorized” flag of an existing trust line. This must be called by the issuer of the asset.

See the [`Allow Trust` errors](../../../errors/result-codes/operation-specific/allow-trust).

**asset\_type** `string`

The type of asset. Either `native`, `credit_alphanum4`, or `credit_alphanum12`.

**asset\_code** `string`

The Stellar address of the asset.

**asset\_issuer** `string`

The code for the asset.

**authorize** `int`

Flag indicating whether the trustline is authorized. 0 if the account is not authorized to transact with the asset in any way. 1 if the account is authorized to transact with the asset. 2 if the account is authorized to maintain orders, but not to perform other transactions.

**trustee** `string`

The issuing account, or source account in this instance.

**trustor** `string`

The trusting account, or the account being authorized or unauthorized.

```json Example theme={"theme":{"light":"github-light","dark":"github-dark"}}
{
  "_links": {
    "self": {
      "href": "https://horizon-testnet.stellar.org/operations/120497059836067841"
    },
    "transaction": {
      "href": "https://horizon-testnet.stellar.org/transactions/ac8dd0ddf1d047081c8e4c2a7ef9cc38a1a8af6c211184e1b16ebf2e32915d7f"
    },
    "effects": {
      "href": "https://horizon-testnet.stellar.org/operations/120497059836067841/effects"
    },
    "succeeds": {
      "href": "https://horizon-testnet.stellar.org/effects?order=desc\u0026cursor=120497059836067841"
    },
    "precedes": {
      "href": "https://horizon-testnet.stellar.org/effects?order=asc\u0026cursor=120497059836067841"
    }
  },
  "id": "120497059836067841",
  "paging_token": "120497059836067841",
  "transaction_successful": true,
  "source_account": "GCRZQVBBDAWVOCO5R2NI34YR55RO2GQXPTDUE5OZESXGZRRTAEQLKEKN",
  "type": "allow_trust",
  "type_i": 7,
  "created_at": "2020-02-03T14:30:52Z",
  "transaction_hash": "ac8dd0ddf1d047081c8e4c2a7ef9cc38a1a8af6c211184e1b16ebf2e32915d7f",
  "asset_type": "credit_alphanum4",
  "asset_code": "LSV1",
  "asset_issuer": "GCRZQVBBDAWVOCO5R2NI34YR55RO2GQXPTDUE5OZESXGZRRTAEQLKEKN",
  "trustee": "GCRZQVBBDAWVOCO5R2NI34YR55RO2GQXPTDUE5OZESXGZRRTAEQLKEKN",
  "trustor": "GDSYBYRG6NIBJWR7BLY72HYV7VM4A7WWHUJ45FI7H4Q2U2RPR3BB3CFR",
  "authorize": true
}
```