To convert the first character of each word in a given string to uppercase in FlutterFlow using custom functions, you can follow these steps:

Create a new custom function in FlutterFlow by clicking on the \"Add New Custom Function\" button in the Functions panel.
Give your custom function a name, such as \"convertToTitleCase\".
In the code editor, write the following code:

// Make sure to paste this code after the default flutterflow imports

String convertToTitleCase(String input) {\n  List<String> words = input.split(' ');\n  for (int i = 0; i < words.length; i++) {\n    String word = words[i];\n    if (word.isNotEmpty) {\n      words[i] = word[0].toUpperCase() + word.substring(1);\n    }\n  }\n  return words.join(' ');\n}

Save the custom function.
Now, you can use the custom function in your FlutterFlow project. For example, if you have a text field where the user enters a string, you can use the custom function to convert the input to title case by assigning the output of the custom function to the text field's value property.

Note: Remember to replace \"input\" with the actual variable or value you want to convert to title case. Documentation: [Custom Functions in FlutterFlow](https://docs.flutterflow.io/flutterflow-functions/custom-functions)

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