> ## Documentation Index
> Fetch the complete documentation index at: https://docs.forterulesengine.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Placeholder

> v0.9.2

[Git Source](https://github.com/Forte-Service-Company-Ltd/forte-rules-engine/blob/496f4da7e579393952d95fe7846fe767b31632a4/src/engine/RulesEngineStorageStructure.sol)

Structure used to represent the placeholders in the rule instruction set
provides the information needed to fill them in with values at run time.

```solidity theme={null}
struct Placeholder {
    ParamTypes pType;
    uint128 typeSpecificIndex;
    uint8 flags;
}
```