#414 Update workflow docu

client/README.md

 ## Client Module
 
 ### API Flow
+
 The SdkClientFactory provides fluent API client both for **Sender** and **Subscriber**.
 
-As the flow chart below shows, the fluent client guides through all essentials calls
-in order to hand in a correct **Submission**.
+As the flow chart below shows, the fluent client guides through all essentials calls in order to hand in a correct **
+Submission**.
 
 #### Api client flow for sending a submission
 
+For the actual sender client those calls look like this:
+
+
+<table>
+<tr>
+<th>Workflow</th>
+<th>Java sample calls</th>
+</tr>
+<tr>
+<td>
+
 ```mermaid
-flowchart LR
+flowchart TD
+
+A[Create Client] --> B(Provide DestinationID)
+B -->|get encryption key| C[Add Attachments]
+C -->|send| D[SubmissionForPickup]
+C -->|next| E[Add Data]
+E -->|send| D[SubmissionForPickup]
+```
+
+</td>
+<td>
+
+```java
 
-A[retrieveOAuthToken] --> B(Upload Attachements)
-B -->|encrypt Attachments| C[Create Submission] 
-B -->|upload Attachments| C[Result 2]
+List<File> attachments...
+
+// Send without data
+        ClientFactory.senderClient()
+        .withDestination(UUID.randomUUID())
+        .withAttachments(attachments)
+        .submit();
+
+// Send with data
+        ClientFactory.senderClient()
+        .withDestination(UUID.randomUUID())
+        .withAttachments(attachments)
+        .withData("some json or xml content")
+        .submit();
 ```
 
+</td>
+</tr>
+</table>
+
 #### Api client flow for subscribing to a submission
 
 ```mermaid