Returns the current iteration of the [solver node](/docs/nodes/sop/solver).


## Description

It takes 1 arguments.

`solverIteration(node_path)`

- `node_path` the path to the solver node (defaults to '..' for the parent node)

## Usage

- `solverIteration()` - returns the iteration of the parent solver node.
- `solverIteration('..')` - returns the iteration of the parent solver node.
- `solverIteration('/geo/solver1')` - returns the iteration of the parent solver node /geo/merge1