activity 

All standard WS-BPEL 2.0 activities in alphabetical order. Basic activities
and structured activities.
Addtional constraints:
- rethrow activity can be used ONLY within a fault handler
(i.e. "catch" and "catchAll" element)
- compensate or compensateScope activity can be used ONLY
within a fault handler, a compensation handler or a termination handler

Element Group Information

Model

assign | compensate | compensateScope | empty | exit | extensionActivity | flow | forEach | if | invoke | pick | receive | repeatUntil | reply | rethrow | scope | sequence | throw | validate | wait | while
Children: assign, compensate, compensateScope, empty, exit, extensionActivity, flow, forEach, if, invoke, pick, receive, repeatUntil, reply, rethrow, scope, sequence, throw, validate, wait, while

Used By

Complex Types tActivityContainer, tCatch, tElseif, tFlow, tIf, tOnAlarmPick, tOnMessage, tProcess, tRepeatUntil, tScope, tSequence, tWhile

Source 

<xsd:group name="activity">
  <xsd:annotation>
    <xsd:documentation>All standard WS-BPEL 2.0 activities in alphabetical order. Basic activities and structured activities. Addtional constraints: - rethrow activity can be used ONLY within a fault handler (i.e. "catch" and "catchAll" element) - compensate or compensateScope activity can be used ONLY within a fault handler, a compensation handler or a termination handler</xsd:documentation>
  </xsd:annotation>
  <xsd:choice>
    <xsd:element ref="assign"/>
    <xsd:element ref="compensate"/>
    <xsd:element ref="compensateScope"/>
    <xsd:element ref="empty"/>
    <xsd:element ref="exit"/>
    <xsd:element ref="extensionActivity"/>
    <xsd:element ref="flow"/>
    <xsd:element ref="forEach"/>
    <xsd:element ref="if"/>
    <xsd:element ref="invoke"/>
    <xsd:element ref="pick"/>
    <xsd:element ref="receive"/>
    <xsd:element ref="repeatUntil"/>
    <xsd:element ref="reply"/>
    <xsd:element ref="rethrow"/>
    <xsd:element ref="scope"/>
    <xsd:element ref="sequence"/>
    <xsd:element ref="throw"/>
    <xsd:element ref="validate"/>
    <xsd:element ref="wait"/>
    <xsd:element ref="while"/>
  </xsd:choice>
</xsd:group>