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Structure functions

create​

Create a new event attribute or event data path.

definition​

["create", path, value]

Parameters​

  • "create" – The name of the function.
  • path – The name of event attribute or event data path. If the key exist, an error will be reported. The param must be event json path.
  • value – The value of event attribute or event data path. The param support all param types.

Example​

{"command":["create","$.data.name","abc"]}

delete​

Delete a event attribute or event data path.

definition​

["delete", path]

Parameters​

  • "delete" – The name of the function.
  • path – The name of event attribute or event data path. If the key no exist, an error will be reported. The param must be event json path.

Example​

{"command":["delete","$.data.name"]}

move​

Move the existing event attribute or event data path.

definition​

["move", fromPath, toPath]

Parameters​

  • "move" – The name of the function.
  • fromPath – The name of event attribute or event data path. If the key no exist, an error will be reported. The param must be event json path.
  • toPath – The target name of event attribute or event data path. If the key exist, an error will be reported. The param must be event json path.

Example​

{"command":["move","$.data.first.name1","$.data.second.name2"]}

rename​

Rename the existing event attribute or event data path.

definition​

["rename",oldPath, newPath]

Parameters​

  • "rename" – The name of the function.
  • oldPath – The name of an existing event attribute or event data path. If the key no exist, an error will be reported. The param must be event json path.
  • newPath – The name of an new event attribute or event data path. If the key exist, an error will be reported. The param must be event json path.

Example​

{"command":["rename","$.data.name1","$.data.name2"]}

replace​

Replaces the value of event attribute or event data path.

definition​

["replace", path, value]

Parameters​

  • "replace" – The name of the function.
  • path – The name of an existing event attribute or event data path. If the key no exist, an error will be reported. The param must be event json path.
  • value – The new value of event attribute or event data path. The param support all param types.

Example​

{"command":["replace","$.data.name","abc"]}

duplicate​

Copies the value of event attribute or event data path and create a new path with that value.

definition​

["duplicate", sourcePath, targetPath]

Parameters​

  • "duplicate" – The name of the function.
  • sourcePath – The name of an existing event attribute or event data path. If the key no exist, an error will be reported. The param must be event json path.
  • targetPath – The name of the new event attribute or event data path.

Example​

{"command":["duplicate","$.data.name1","$.data.name2"]}