# How to create predicate instance by Vec\<u8\> code using fuels-rs v0.39?

**URL:** <https://forum.fuel.network/t/how-to-create-predicate-instance-by-vec-u8-code-using-fuels-rs-v0-39/2274>\
**Category:** Rust SDK\
**Created:** [April 7, 2023, 3:29pm UTC](https://forum.fuel.network/t/how-to-create-predicate-instance-by-vec-u8-code-using-fuels-rs-v0-39/2274 "2023-04-07T15:29:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![fuel](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.fuel.network/fuel/32/1677_2.png) [@fuel](https://forum.fuel.network/u/fuel)\
**Post date:** [April 7, 2023, 3:29pm UTC](https://forum.fuel.network/t/how-to-create-predicate-instance-by-vec-u8-code-using-fuels-rs-v0-39/2274/1 "2023-04-07T15:29:42Z")

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Hi guys  
How to create a predicate instance by Vec code using fuels-rs v0.39?

On v0.38.1 it was like `Predicate::new(code);`

But on 0.39 I have an error

 ![image](https://us1.discourse-cdn.com/flex022/uploads/fuel/original/2X/2/2ce94e3eabe989c38d03d6675dbdf01a38436309.png)