@GetMapping(value = "/api/balance/abcd")
	@Operation(summary = "This is the test endpoint")
	public String test2(String from) {
		return "This is a fake test";
	}
Test 2 string.

@param from the from
@return the string
springdoc-openapi-tests/springdoc-openapi-javadoc-tests/src/test/java/test/org/springdoc/api/v30/app64/HelloController.java