Create a Template
Start by creating a text template, such as an email, using your placeholders. For example: Hello {{name}}!

2. Add a Button to the Frontend
Add a button to your Bubble app's frontend. This button will trigger the workflow to process the template.

3.Configure the Workflow
3.1 Go to the Workflow tab and create a new workflow triggered by the button.
3.2 Add the Find and Replace action to the workflow.
3.3 In the template field, specify the text template. You can either select a static template or use a dynamic input field where the user enters the text with placeholders.
3.4 In the replacements section, click Set another key/value to add the placeholder replacements. For example:
           Key: {{name}}
           Value: Search for Users: first item's name
3.5 Use the Result
The processed text (with placeholders replaced) will be available in the results field.
Use this result in your workflow to:

Insert it into an email body.
Save it to a custom state for further use.