_BLANK_

param["_BLANK_"]

Returns empty string

For example:

param["_BLANK_"]

_USER_

param["_USER_"]

Returns the username of the currently logged in user

For example:

when the current user is admin,

param["_USER_"] =admin

_USER_ALIAS_

param['_USER_ALIAS_']

Returns the nickname of the currently logged in user

For example:

when the nickname of the current user is testing, param ['_ USER_ALIAS_'] = testing

_CURRENT_LOCALE_

param["_CURRENT_LOCALE_"]

Returns the locale and language of the current environment

For example:

Return zh_CN if the current environment is Chinese(Simplified).

param ["_ CURRENT_LOCALE_"] = zh_CN

  _EXECUTION_ID_

param["_EXECUTION_ID_"]

Used for process approval to get the branch ID of the current process

For example:

param["_EXECUTION_ID_"]

_INSTANCE_ID_

param['_INSTANCE_ID_']

Used to get current process ID in process approval

For example:

param['_INSTANCE_ID_']