String Transform Block

The String Transform Block provides common programming string methods to manipulate text variables in your flow.

Configuration

Supported Operations

• Trim — Removes whitespace from both ends.
• Split — Splits the string into an Array based on a provided delimiter.
• Substring — Extracts a portion of the string between two indices.
• Reverse — Reverses the character order of the string.

Output Variable

Specify a Variable Name to store the output.

Success Payload

If you use split, the result will be an array; otherwise, it will typically be a string.

[
  "part1",
  "part2"
]

Errors & Responses

If an error occurs, the variable will be populated with:

{
  "error_key": "TRANSFORM_INPUT_MISSING",
  "error_message": "Input string is required."
}

Common Error Keys: TRANSFORM_INPUT_MISSING, TRANSFORM_VAR_MISSING, TRANSFORM_RUNTIME_ERROR