---
alias: user-guide-parameter-index
description: "A parameter defines reusable objects for data and process management across systems"
---

# Parameter

:lock: Parameter.**Show**

A **Parameter** is an object which is used to define reusable objects for **Data Collection, KPI, SPC, Recipe, Product** and **Product Group**.

A **Parameter** also provides an abstraction to **Resource** specific variable names which have the same meaning at the MES/human level.

## Tying Everything Together

```mermaid
graph LR
    A1[Data Collection Parameter] --- Main
    A2[Data Collection Limit Set Parameter] --- Main[Parameter]
    A2 --- A1
    A3[Recipe Parameter] --- Main
    Main --- A4[Product Parameter]
    Main --- A5[Product Group Parameter]
    Main --- A6[Chart]

classDef mermaid_title color:#000, fill:#fafafa, stroke:#fafafa, stroke-width:0x, font-size:100%, font-weight:200;
classDef mermaid_start color:#000, fill:#fafafa, stroke:#fafafa, color:#fafafa, stroke-width:0x, font-size:100%, visibility: hidden;
classDef mermaid_businessdata color:#000, fill:#65CDE8, stroke:#65CDE8, stroke-width:0px, font-size:100%;
classDef mermaid_nonbusinessdata color:#000, fill:#B7DEE8, stroke:#B7DEE8, stroke-width:0px, font-size:100%;
classDef mermaid_entity color:#000, fill:#FB9F53, stroke:#FB9F53, stroke-width:0px, font-size:100%;
classDef mermaid_entitylinked color:#000, fill:#FCD5B5, stroke:#FCD5B5, stroke-width:0px, font-size:100%;
classDef mermaid_context color:#000, fill:#B9CDE5, stroke:#B9CDE5, stroke-width:0px, font-size:100%;
classDef mermaid_optional color:#000, fill:#B7DEE8, stroke:#65CDE8, stroke-width:1px, font-size:100%, stroke-dasharray: 5 5;
class Main mermaid_entity
class A1,A2,A3,A4,A5,A6,A7,A8,A9,A10 mermaid_businessdata
class L1,L2,L3,L4,L5,L6 mermaid_entitylinked
class C1,C2,C3,C4,C5,C6 mermaid_context
class N1,N2,N3,N4,N5,N6 mermaid_nonbusinessdata

click Main "../../business-data/parameter"
click A6 "../../business-data/chart"
```

## Sequence of Steps

The necessary steps for correctly using a **Parameter** are the following:

1. Create the **Parameter**.

{{ generate_index() }}