UML Modeling Techniques > Object interaction modeling > Sequence diagram > Statements > Indenting and outdenting statements on a sequence diagram
  
Indenting and outdenting statements on a sequence diagram
You can indent and outdent Statements when it is valid to do so.
To indent a statement and its sub-statements:
Right-click the Statement you want to indent.
Click Indent.
Alternatively:
Select the Statement, and then press the Tab key.
To outdent a statement and its sub-statements:
Right-click the Statement you want to outdent.
Click Outdent.
Alternatively:
Select the Statement, and then press the Shift + Tab keys.