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

> val NO_ OP_ INDEX: integer = -1 

Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.crosschain/-n-o_-o-p_-i-n-d-e-x/

PROPERTY

# NO\_OP\_INDEX

```signature
val NO_OP_INDEX: integer = -1
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/crosschain/transfer.rell#lines-5)

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-rell/-f-t4%20-library/lib.ft4.core.crosschain/-n-o_-o-p_-i-n-d-e-x.html)Generated API reference, mirrored from the live docs