MergeFunctionDeclaration (EBX® Add-ons Version 6.1.4 Java API)

```
public interface MergeFunctionDeclaration
```
Declares a custom merge function.
A merge function can be registered and declared in the context of a MatchAndMergeRegistry.registerMergeFunction(MergeFunctionDeclaration)

Since:

6.0.1

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`com.onwbp.base.text.UserMessage`	`getDescription()`	Returns the description of the function.
`com.onwbp.base.text.UserMessage`	`getLabel()`	Returns the label of the function.
`FieldMergeFunction`	`getMergeFunction()`	Returns a merge function.
`java.lang.String`	`getName()`	Returns the merge function name.

- Method Detail
  - getName
```
java.lang.String getName()
```
    Returns the merge function name. The name must be unique across all merge functions. This method is invoked when the custom merge function is registered in the MatchAndMergeRegistry.
    
    Returns:
    
    String The merge function identifier
  - getLabel
```
com.onwbp.base.text.UserMessage getLabel()
```
    Returns the label of the function.
    This method is invoked when display the merge function localized name in the view.
    
    Returns:
    
    The label of the merge function
  - getDescription
```
com.onwbp.base.text.UserMessage getDescription()
```
    Returns the description of the function.
    This method is invoked when display the merge function description in the view.
    
    Returns:
    
    The description of the merge function
  - getMergeFunction
```
FieldMergeFunction getMergeFunction()
```
    Returns a merge function.
    This method is invoked every time the merge sessions are launched.
    
    Returns:
    
    The merge function implementation. Returning a MergeFunction object is mandatory. This accessor is called internally only.