# Method Parser.XML.Simple()->define_entity()

Method define_entity

  ``void` define_entity(`string` `entity`, `string` `s`, `function`(:`void`) `cb`, `mixed` ... `extras`)`

Description

  Define an entity or an SMEG.

Parameter `entity`

  Entity name, or SMEG name (if preceeded by a `"%"`).

Parameter `s`

  Expansion of the entity. Entity evaluation will be performed.

See also

  define_entity_raw()