Creating an invocable method in a nutshell: First you write an apex class with @invocable method (label and description) and whatever code you want the apex to do (easy, right?) Then make your Flow including your input and output variables. Then add an Apex action in Flow to send/receive those variables.
Full Answer
What is the use of invocable method in Salesforce?
Use the InvocableMethod annotation to identify methods that can be run as invocable actions. If a flow invokes Apex, the running user must have the corresponding Apex class security set in their user profile or permission set. Invocable methods are called with REST API and used to invoke a single Apex method.
What is the difference between invocable methods and invokes apex?
If a flow invokes Apex, the running user must have the corresponding Apex class security set in their user profile or permission set. Invocable methods are called with REST API and used to invoke a single Apex method.
Can I use invocable methods in a managed package?
You can use invocable methods in packages, but once you add an invocable method you can’t remove it from later versions of the package. Public invocable methods can be referred to by flows and processes within the managed package. Global invocable methods can be referred to anywhere in the subscriber org.
What are the requirements for an invocable method?
The invocable method must be static and public or global, and its class must be an outer class. Only one method in a class can have the InvocableMethod annotation.
How do you create an Invocable method?
Creating an Invocable Action1) Adding an InvocableMethod interface to one of the methods. ... 2) Defining and marking the variables that will be exposed as input and output variables. ... 1) Choose names for your Apex Class with clarity in mind. ... 2) Put your input and output properties in Request and Response inner classes.
What is an Invocable method in Salesforce?
Invocable methods are called with REST API and used to invoke a single Apex method. Invocable methods have dynamic input and output values and support describe calls. This code sample shows an invocable method with primitive data types.
How do you make an Invocable method in Apex?
0:423:38How to Invoke Apex from Flows Using InvocableMethod AnnotationYouTubeStart of suggested clipEnd of suggested clipFirst we need to create an apex class in order to demonstrate. We have created a simple apex classMoreFirst we need to create an apex class in order to demonstrate. We have created a simple apex class that gets the account names based on a search on the account ids. In this case we have created a
What is Invocable variable in Salesforce?
The InvocableVariable annotation identifies a class variable used as an input or output parameter for an InvocableMethod method's invocable action.
What is the return type of Invocable method?
Process Builder just takes record on which an action is invoked and uses as parameter to InvocableMethod and process logic . The return values from Invocable methods makes sense for flows and REST API . Return values can be fed back to flows as variables .
How many Invocable methods are there per class?
Only one method in a class can have the InvocableMethod annotation.
Can we do callout from Invocable method?
For invocable actions that perform callouts, you can now add a callout attribute to the invocable Apex method annotation. With this information, a flow calling the action knows how to manage the transaction at run time. Where: This change applies to Lightning Experience and Salesforce Classic.
Is Invocable method asynchronous?
Invocable method making an Continuation(Asynchronous) REST call.
What is an Invocable flow?
The invocable actions mechanism allows to create custom code and package it into componentes/actions available in declarative tools, such as Flow. The idea is simple. You provide input values that the apex class does something with, and it gives you output values.
How are Invocable variables used in flow?
Creating an invocable method in a nutshell: First you write an apex class with @invocable method (label and description) and whatever code you want the apex to do (easy, right?) Then make your Flow including your input and output variables. Then add an Apex action in Flow to send/receive those variables.
How do you call a batch class from flow?
Use the Pause element in the flow to run one batch job at a time....Required Editions and User PermissionsIn the Category section, select Batch Job.Search and select the batch job that you want to schedule.In case your batch job or your business flow has input variables, provide values for the input variables.
Can we call APEX method from flow?
Flow Builder comes with a lot of functionality, but sometimes your flow needs to do more than the default elements allow. In that case, call an Apex class from your flow by using an Apex action.
What are Invocable Actions
The invocable actions mechanism allows to create custom code and package it into componentes/actions available in declarative tools, such as Flow.The idea is simple.
About InvocableMethod
The InvocableMethod annotation tells Salesforce that this class should be exposed to users of invocable actions in the Flow Builder. It can be used to invoke a single Apex method. The supported modifiers of InvocableMethod are:
About InvocableVariable
The InvocableVariable annotation identifies a class variable used as an input or output parameter for an InvocableMethod method’s invocable action. The supported modifiers for InvocableVariable are:
Creating an Invocable Action
First of all, we need an Apex Class. For the purpose of this tutorial, let’s use a class that we’ve already created in a different article.
Conclusion
Invocable actions are amazing when you need to provide Salesforce administrators with additional functionality not available in declarative tools. They can open new ways for administrators and developers to work together. Make sure to try them when you get the chance!Read more Salesforce-related articles on our blog.
Invocable Actions
Invocable Method
- In order to call an Apex method from Flow you will have to annotate that method with @InvocableMethod. This code sample shows an invocable method with the generic sObject data type.
InvocableMethod Considerations
- The invocable method must be static and public or global, and its class must be an outer class.
- Only one method in a class can have the InvocableMethodannotation.
- Other annotations can’t be used with the InvocableMethodannotation.
- There can be at most one input parameter and its data type must be one of the following:
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