View source for Invoke a method in a Java Class

Invoking a Java method lets you use the [[Java API]]s to interact with the platform, and do anything else that you can accomplish using Java code.

===Method Signature===
You can select any method defined in a [[Classes|Java class]], as long as it has the required signature:  
:: <tt>public void someMethod(com.platform.api.Parameters inParams)</tt>
::: <tt> throws Exception {</tt>
::: <tt> ...</tt> 

;Considerations:
:* The ''incoming parameters'' are the name/value pairs contained in the Parameters object.
:* "throws Exception" is not a necessary part of the signature, but is generally required for any method that is doing real work. (If an invoked API generates an exception, the exception percolates back up to the top-level handler, which displays the message.)
:* The method can be either a static class method or an instance method. An instance of the object is created before making the call.
:* The method must be public, return void, and take a single <tt>Parameters</tt> argument.

===Example: Validate Incoming Data=== 
{{:HowTo:Use a Java Method to Validate Incoming Data}}