Name: functionNames

Type: function

Syntax: the functionNames

Syntax: functionNames()

Summary: <return|Returns> a list of all built-in <function|functions> in <LiveCode>.

Introduced: 1.0

OS: mac,windows,linux,ios,android

Platforms: desktop,server,web,mobile

Example:

the functionNames

Example:

if myHandlerName is in the functions then answer "Choose another name."

Returns: The <functionNames> function <return|returns> one <function> name per <line>.

Description:

Use the <functionNames> <function(control_st)> to check whether a particular <function(control_st)> already exists in <LiveCode>, to avoid using a <reserved word> for your own <custom function> <handler|handlers>.

The <functionNames> <function(control_st)> <return|returns> all the built-in <function(glossary)|functions> that can be used in <LiveCode>, including synonyms.

References: line (keyword), constantNames (function), propertyNames (function), commandNames (function), variableNames (function), colorNames (function), handler (glossary), LiveCode (glossary), custom function (glossary), function (glossary), return (glossary), reserved word (glossary), function (control_st)