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

# Slice Variable

> Extract portions of data from variables

The Slice Variable block allows you to extract specific portions of variables, such as parts of text strings or segments of lists.

## Inputs

### ☐ Variable Name *(Required)*

The name of the variable you want to slice.

<Note type="success">
  **Good Examples:**

  * "emailText"
  * "productList"
  * "description"
</Note>

### ☐ Start Index *(Required)*

The position where the slice should begin (starts at 0).

### ☐ End Index *(Optional)*

The position where the slice should end (exclusive).

<CardGroup cols={1}>
  <Card title="Slicing Rules">
    **Description:**
    Define how the variable should be sliced.

    **Features:**

        ☐ Start from beginning (index 0)

        ☐ End optional (slice to end if omitted)

        ☐ Works with text and lists

    **Example:**
    *"hello" with start:1, end:4 becomes "ell"*
  </Card>
</CardGroup>

## Usage Examples

<CardGroup cols={2}>
  <Card title="1. Email Username" icon="envelope">
    <div className="flex flex-col space-y-2">
      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">Variable</span>
        <code className="text-green-600">email</code>
      </div>

      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">Start</span>
        <span className="font-mono bg-slate-100 px-2 py-1 rounded">0</span>
      </div>

      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">End</span>
        <span className="font-mono bg-slate-100 px-2 py-1 rounded">8</span>
      </div>
    </div>

    <Note className="mt-2">Extract username from email address</Note>
  </Card>

  <Card title="2. List Selection" icon="list">
    <div className="flex flex-col space-y-2">
      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">Variable</span>
        <code className="text-green-600">productList</code>
      </div>

      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">Start</span>
        <span className="font-mono bg-slate-100 px-2 py-1 rounded">0</span>
      </div>

      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">End</span>
        <span className="font-mono bg-slate-100 px-2 py-1 rounded">5</span>
      </div>
    </div>

    <Note className="mt-2">Get first 5 items from list</Note>
  </Card>

  <Card title="3. Text Trimming" icon="scissors">
    <div className="flex flex-col space-y-2">
      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">Variable</span>
        <code className="text-green-600">description</code>
      </div>

      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">Start</span>
        <span className="font-mono bg-slate-100 px-2 py-1 rounded">0</span>
      </div>

      <div className="flex items-center gap-2 text-sm">
        <span className="px-2 py-1 bg-purple-100 rounded-md">End</span>
        <span className="font-mono bg-slate-100 px-2 py-1 rounded">50</span>
      </div>
    </div>

    <Note className="mt-2">Shorten text to first 50 characters</Note>
  </Card>
</CardGroup>

## Notes

<Warning>
  * Check variable length before slicing
  * Start index must be less than end index
  * Indexes start at 0
  * End index is optional
</Warning>