Use Action in Business Process

From the Lobby, select Create

Select Build an Automated Process, on next screen click Business Process

Enter Project Name CAP Sample and click Create

On the Create Process dialog, enter the Process Name myCAP Sample and click Create, the canvas will be shown

Click the canvas to display the Process Details

- Click **Variables** to define the process inputs

- Click **Configure** to open popup **Configure Process Inputs** 

- Click **Add Input**

- Enter **`field`** as **Name**, Identifier will be auto filled and **Type** should be **`String`**

- Click **Apply**

Click + to add a new API trigger to your process

Enter Trigger Name myCAP Trigger and click Create

Click + to add a step to your process, from the context menu select Actions > Browse Library

From Browse Library

• Filter on project CAP Sample Actions

• Click Add on the action get list of Todos

Click + next to End and repeat the Actions > Browse Library steps to add the action listToString

Select get list of Todos on the canvas and create Destination variable capService

Select listToString on the canvas and select Destination variable capService

Select Inputs to define the input values for the action

• Click Select Item next to field

• Select field from Process Inputs

• Click Select list next to Bind List

• Select list responseArray from get list of Todos

The Inputs for listToString should show the following values:

Save the process myCAP Sample, click Release.

On popup Release Project, click Release.

Click Deploy.

Choose an Environment and select Deploy.

You can see your trigger in the list, click Deploy.

In the Define Variables section, select Destination Demo_CAP_Sample_Library and click Deploy.

From SAP Build, click Monitoring

Select Manage > Processes and Workflows

Select myCAPSample

Click Start New Instance

• Enter the JSON as input parameter values

{ "field" : "id" }    

• Click Start New Instance and Close

Select Monitoring > Process and Workflow Instances, make sure your instance is in the list, clear all filters

Click the line to display the details of the instance

The result of the action listToString is shown as comma separated value string