# get_auth_message_template · FT4 Rell API · Chromia Docs (concept)

> @mount("ft4.get_ auth_ message_ template")
query get_ auth_ message_ template(op_ name: text, op_ args: gtv?): text Retrieves the message template that mus

Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.external.auth/get_auth_message_template/

QUERY

# get\_auth\_message\_template

```signature
@mount("ft4.get_auth_message_template")
query get_auth_message_template(op_name: text, op_args: gtv?): text
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/external/auth/queries.rell#lines-45)

Retrieves the message template that must be signed by EVM signers.

Throws if `op_name` is not valid or no auth handler can be found for it.

**Parameters**

* **op\_name** — the mount name of the operation
* **op\_args** — the parameters with which the operation will be called

**See Also**

* [evm\_auth](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.external.auth/evm_auth/) — for more information on the whole EVM authorization process

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-rell/-f-t4%20-library/lib.ft4.external.auth/get_auth_message_template.html)Generated API reference, mirrored from the live docs