The Text Length block is used to get the length of a text.
For an empty text the length is 0.
Example A:

The result of the input 'Centrldesk' is 10.
Example B:

The result of the input 'Hello' is 5.
Result:
The length of a text as a number.
Tips and best practices:
For an empty string, length is 0.
Library:
Text