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# switchboard-node-macros
> Proc macros for using Switchboard
[](https://crates.io/crates/switchboard-solana-macros)
[](https://discord.gg/switchboardxyz)
[](https://twitter.com/switchboardxyz)
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<strong>Switchboard Documentation: </strong><a href="https://docs.switchboard.xyz">docs.switchboard.xyz</a>
</h4>
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## Install
Run the following Cargo command in your project directory:
```bash
cargo add switchboard-node-macros
```
Or add the following line to your Cargo.toml:
```toml
[dependencies]
switchboard-node-macros = "0.1.0"
```
## Usage
You can decorate functions to run them periodically
```rust
use switchboard_node_macros::routine;
// Invoke this function every 15 seconds and skip running it on the first tick
#[routine(interval = 15, skip_first_tick)]
async fn some_method(&self, some_channel_tx: &Sender<u8>) -> Result<(), SbError> {
Ok(())
}
```