Our unique identifier for the workflow, returned in the Create workflow response.

Format: uuid string

Example: 790f325a-48c9-4b82-bb53-c0ea128236f0

Tip: Use this as the reference number for any questions.

The client’s mobile phone number, which you have ensured is valid.

Format: +prefixNumber phoneNumber

Example: +31 612345678
Notes:
• Always include a space between the prefix and phone number.
• The prefix can contain a maximum of 4 digits.
• If creating a test signature that you will confirm with a test passcode, you must provide a dummy mobile phone number in the following format: +39 111111234567. You can change digits 234567 as required