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

> function relative_ block_ height(integer: integer): rule_parameters Same as accounts.block_height , but using the relative rule variable. See Also rule_var

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

FUNCTION

# relative\_block\_height

```signature
function relative_block_height(integer: integer): rule_parameters
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/auth/login.rell#lines-264)

Same as `accounts.block_height`, but using the relative rule variable.

**See Also**

* [rule\_variable](https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.auth/rule_variable/) — for info on the relative rules
* `core.accounts.block_height` — for info on this group of functions

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