diff --git a/autoload/vebugger.vim b/autoload/vebugger.vim
index bb126d5..5d478ef 100644
--- a/autoload/vebugger.vim
+++ b/autoload/vebugger.vim
@@ -64,6 +64,24 @@ function! s:f_debugger.handleLine(pipeName,line) dict
 	for l:thinkHandler in self.thinkHandlers
 		call l:thinkHandler.handle(l:readResult,self)
 	endfor
+
+	call self.performWriteActions()
+endfunction
+
+function! s:f_debugger.performWriteActions() dict
+	for l:namespace in keys(self.writeActions)
+		let l:handlers=get(self.writeHandlers,l:namespace)
+		if !empty(l:handlers)
+			for l:writeAction in items(self.writeActions[l:namespace])
+				if !empty(l:writeAction[1])
+					if has_key(l:handlers,l:writeAction[0])
+						call l:handlers[l:writeAction[0]].handle(l:writeAction[1],self)
+					endif
+				endif
+			endfor
+		endif
+	endfor
+	call self.generateWriteActionsFromTemplate()
 endfunction
 
 function! s:f_debugger.showLogBuffer() dict
@@ -115,6 +133,17 @@ function! s:addHandler(list,handler)
 	endif
 endfunction
 
+function! s:setHandler(dict,namespace,name,handler)
+	if !has_key(a:dict,a:namespace)
+		let a:dict[a:namespace]={}
+	endif
+	if type(a:handler) == type({})
+		let a:dict[a:namespace][a:name]=a:handler
+	elseif type(a:handler) == type(function('tr'))
+		let a:dict[a:namespace][a:name]={'handle':a:handler}
+	endif
+endfunction
+
 function! s:f_debugger.addReadHandler(handler) dict
 	call s:addHandler(self.readHandlers,a:handler)
 endfunction
@@ -123,10 +152,22 @@ function! s:f_debugger.addThinkHandler(handler) dict
 	call s:addHandler(self.thinkHandlers,a:handler)
 endfunction
 
+function! s:f_debugger.setWriteHandler(namespace,name,handler) dict
+	call s:setHandler(self.writeHandlers,a:namespace,a:name,a:handler)
+endfunction
+
 function! s:f_debugger.addCloseHandler(handler) dict
 	call s:addHandler(self.closeHandlers,a:handler)
 endfunction
 
+function! s:f_debugger.generateWriteActionsFromTemplate() dict
+	let self.writeActions=deepcopy(self.writeActionsTemplate)
+endfunction
+
+function! s:f_debugger.setWriteAction(namespace,name,value) dict
+	let self.writeActions[a:namespace][a:name]=a:value
+endfunction
+
 function! vebugger#createDebugger(command)
 
 	let l:debugger=deepcopy(s:f_debugger)
@@ -141,6 +182,7 @@ function! vebugger#createDebugger(command)
 
 	let l:debugger.readResultTemplate={}
 	let l:debugger.state={}
+	let l:debugger.writeActionsTemplate={}
 
 	let l:debugger.readHandlers=[]
 	let l:debugger.thinkHandlers=[]
@@ -200,3 +242,20 @@ endfunction
 function! vebugger#getActiveDebugger()
 	return s:debugger
 endfunction
+
+function! vebugger#setWriteAction(namespace,name,value)
+	if exists('s:debugger')
+		call s:debugger.setWriteAction(a:namespace,a:name,a:value)
+	endif
+endfunction
+
+function! vebugger#performWriteActions()
+	if exists('s:debugger')
+		call s:debugger.performWriteActions()
+	endif
+endfunction
+
+function! vebugger#setWriteActionAndPerform(namespace,name,value)
+	call vebugger#setWriteAction(a:namespace,a:name,a:value)
+	call vebugger#performWriteActions()
+endfunction
diff --git a/autoload/vebugger/jdb.vim b/autoload/vebugger/jdb.vim
index d236f45..cc68d4e 100644
--- a/autoload/vebugger/jdb.vim
+++ b/autoload/vebugger/jdb.vim
@@ -1,4 +1,3 @@
-
 function! vebugger#jdb#start(entryClass,args)
 	let l:debugger=vebugger#std#startDebugger('jdb'.(
 				\has_key(a:args,'classpath')
@@ -13,6 +12,10 @@ function! vebugger#jdb#start(entryClass,args)
 
 	call l:debugger.addReadHandler(function('s:readWhere'))
 
+	call l:debugger.setWriteHandler('std','flow',function('s:writeFlow'))
+
+	call l:debugger.generateWriteActionsFromTemplate()
+
 	return l:debugger
 endfunction
 
@@ -46,5 +49,17 @@ function! s:readWhere(pipeName,line,readResult,debugger)
 						\'file':(l:file),
 						\'line':(l:matches[4])}
 		endif
-	end
+	endif
+endfunction
+
+function! s:writeFlow(writeAction,debugger)
+	if 'stepin'==a:writeAction
+		call a:debugger.writeLine('step')
+	elseif 'stepover'==a:writeAction
+		call a:debugger.writeLine('next')
+	elseif 'stepout'==a:writeAction
+		call a:debugger.writeLine('step up')
+	elseif 'continue'==a:writeAction
+		call a:debugger.writeLine('cont')
+	endif
 endfunction
diff --git a/autoload/vebugger/std.vim b/autoload/vebugger/std.vim
index ede0116..f3121eb 100644
--- a/autoload/vebugger/std.vim
+++ b/autoload/vebugger/std.vim
@@ -1,4 +1,3 @@
-
 function! vebugger#std#setStandardState(debugger)
 	let a:debugger.state.std={
 				\'srcpath':'.',
@@ -12,6 +11,11 @@ function! vebugger#std#setStandardReadResultTemplate(debugger)
 				\'callstack':{}}
 endfunction
 
+function! vebugger#std#setStandardWriteactionsTemplate(debugger)
+	let a:debugger.writeActionsTemplate.std={
+				\'flow':''}
+endfunction
+
 function! vebugger#std#addStandardFunctions(debugger)
 	for l:k in keys(s:standardFunctions)
 		let a:debugger['std_'.l:k]=s:standardFunctions[l:k]
@@ -33,6 +37,7 @@ endfunction
 function! vebugger#std#standardInit(debugger)
 	call vebugger#std#setStandardState(a:debugger)
 	call vebugger#std#setStandardReadResultTemplate(a:debugger)
+	call vebugger#std#setStandardWriteactionsTemplate(a:debugger)
 	call vebugger#std#addStandardFunctions(a:debugger)
 	call vebugger#std#addStandardThinkHandlers(a:debugger)
 	call vebugger#std#addStandardCloseHandlers(a:debugger)
diff --git a/plugin/vebugger.vim b/plugin/vebugger.vim
index c8e7b76..8819f2b 100644
--- a/plugin/vebugger.vim
+++ b/plugin/vebugger.vim
@@ -1,3 +1,8 @@
 
 
-command! -nargs=1 VBGwrite call vebugger#writeLine(<q-args>)
+command! -nargs=1 VBGrawWrite call vebugger#writeLine(<q-args>)
+
+command! -nargs=0 VBGstepIn call vebugger#setWriteActionAndPerform('std','flow','stepin')
+command! -nargs=0 VBGstepOver call vebugger#setWriteActionAndPerform('std','flow','stepover')
+command! -nargs=0 VBGstepOut call vebugger#setWriteActionAndPerform('std','flow','stepout')
+command! -nargs=0 VBGcontinue call vebugger#setWriteActionAndPerform('std','flow','continue')