Use this action to return the length of a string.
Step 1. Create a process and give it a name.
Step 2. Drag the String Len action to the canvas and link it to the other actions.
Step 3. Create the variables needed for the configuration of the action, and then add them to the configuration panel:
Input string: you need to input the string variable
Result: This is the output of type Integer, representing the length of the input string
Step 4. Save, Validate and Run the process.
Step 5. To verify the process click Check instance.
Step 6. In the Output section, you can see the result: