Developing Apama Applications > Developing Apama Applications in EPL > Using Correlator Plug-ins in EPL > Using the Payload Extraction plug-in > The indirect-access functions > Secondary indirect-access functions
Secondary indirect-access functions
The secondary indirect-access functions are as follows:
getStringD
string getStringD(
  chunk payload_chunk,
  string field_name,
  string default_nonExistent,
  string default_empty,
  string default_invalid)
getFloatD
float getFloatD(
  chunk payload_chunk,
  string field_name,
  float default_nonExistent,
  float default_empty,
  float default_invalid)
getIntegerD
integer getIntegerD(
  chunk payload_chunk,
  string field_name,
  integer default_nonExistent,
  integer default_empty,
  integer default_invalid)
getBooleanD
boolean getBooleanD(
  chunk payload_chunk,
  string field_name,
  boolean default_nonExistent,
  boolean default_empty,
  boolean default_invalid)
Copyright © 2013 Software AG, Darmstadt, Germany and/or Software AG USA Inc., Reston, VA, USA, and/or Terracotta Inc., San Francisco, CA, USA, and/or Software AG (Canada) Inc., Cambridge, Ontario, Canada, and/or, Software AG (UK) Ltd., Derby, United Kingdom, and/or Software A.G. (Israel) Ltd., Or-Yehuda, Israel and/or their licensors.