# Tabs, Containers, and Parameters
It´s possible to create parameters within your plugin which are exposed and direct available within Grid.
## Define where a parameter should be exposed
A parameter needs to be linked to a container.
### Plugin Tab
Each plugin has an own plugin related tab.\
To access this you need to use:
```python
self.objectContainer
```
{% hint style="danger" %}
#### `sp.BaseModule` plugins are using `self.moduleContainer` instead
{% endhint %}
***
### Existing Tab
```python
self.cc.display
```
***
### Extension Root
```python
self.cc
```
self.cc is the root of any extension.
{% hint style="warning" %}
Technically it´s possible to add here already a parameter, but this is **not** recommended.\
A parameter at this level will always be visible and is independent from any chosen tab.
{% endhint %}
***
### Custom Tab
```python
def afterInit(self):
myTab = self.addContainer("My New Tab", self.cc)
```
***
### Sub Container
```python
def afterInit(self):
myTab = self.addContainer("My New Tab", self.cc)
mySubContainer1 = self.addContainer("Container1", myTab)
mySubContainer2 = self.addContainer("Container2", myTab)
```
***
## Adding a Parameter
```python
def afterInit(self):
self.objectContainer.addFloatParameter("Example Float", 0, 0, 100)
```
***
## Adding a Parameter in Container
```python
def afterInit(self):
mySubContainer1 = self.addContainer("Container1", self.objectContainer)
mySubContainer1.addFloatParameter("Example Float", 0, 0, 100)
mySubContainer2 = self.addContainer("Container2", self.objectContainer)
mySubContainer2.addFloatParameter("Example Float", 0, 0, 100)
```
***
## Adding a Parameter in custom tab in Container
```python
def afterInit(self):
myTab = self.addContainer("My New Tab", self.cc)
mySubContainer1 = self.addContainer("Container1", myTab)
mySubContainer1.addFloatParameter("Example Float", 0, 0, 100)
mySubContainer2 = self.addContainer("Container2", myTab)
mySubContainer2.addFloatParameter("Example Float", 0, 0, 100)
```
---
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