Generate text from Handlebars template

The “Generate text from template (Handlebars)” service task produces text based on a template. The Handlebars engine injects data into the template and returns the final text.

Input parameters

Provide the following fields as task input:

{
  "template": "string",
  "content": { "key1": "value1", "key2": "value2" }
}

Explanation:

• template: Text template to fill dynamically. Use Handlebars expressions such as {{key1}}.
• content: JSON object containing the values to insert into the template.

Output

The task returns the generated text.

{
  "status": 200,
  "response": {
    "result": "Final generated text."
  }
}

Explanation:

• status: Status of the operation (200 indicates success).
• result: Final text based on the template and content.

JSONata examples

{
  "template": "<h1>Hello {{name}}</h1><p>Your order: {{order}}</p>",
  "content": {
    "name": "Jane Doe",
    "order": "12345"
  }
}

Available Handlebars helpers

Helper	Description	Example
dateTimeFormat	Formats an ISO-8601 date into a localized date and time.	{{dateTimeFormat '2024-12-22T10:30:00Z' 'en-US' 'Europe/Berlin'}}
multiply	Multiplies two numbers.	{{multiply 5 3}}
currentDateTime	Returns the current date and time in the specified format.	{{currentDateTime 'en-US' 'Europe/Berlin'}}
toGermanDate	Converts a date in YYYY-MM-DD to the German date format.	{{toGermanDate '2024-12-22'}}
replace	Replaces a string with another value.	{{replace 'Pantarey GmbH' 'GmbH' 'AG'}}
add	Adds two numbers.	{{add 10 5}}
round	Rounds a number to a defined number of decimal places.	{{round 12.3456 2}}
currency_eur	Formats a number as a Euro amount in the German locale.	{{currency_eur 1234.56}}
addDaysToCurrentDate	Adds a given number of days to the current date.	{{addDaysToCurrentDate 5}}
month_name	Returns the month name based on a date.	{{month_name '2024-12-22'}}
greaterThan	Checks whether the first number is greater than the second.	{{#greaterThan 10 5}}Greater{{else}}Not greater{{/greaterThan}}
lessThan	Checks whether the first number is less than the second.	{{#lessThan 3 5}}Less{{else}}Not less{{/lessThan}}
greaterOrEqualThan	Checks whether the first number is greater than or equal to the second.	{{#greaterOrEqualThan 5 5}}Greater or equal{{else}}Not greater or equal{{/greaterOrEqualThan}}
lessOrEqualThan	Checks whether the first number is less than or equal to the second.	{{#lessOrEqualThan 3 5}}Less or equal{{else}}Not less or equal{{/lessOrEqualThan}}
numberFormat	Formats a number using the German number format.	{{numberFormat 1234567.89}}

Notes

• Ensure the template and data match so all placeholders can be resolved.
• Ideal for generating HTML emails, personalized documents, or other text content.
• See the Handlebars guide for more details.

Tip

Test templates in the Handlebars Playground before using them in production.