<doc>

<legacy_id>1558</legacy_id>

<name>constantNames</name>

<type>function</type>

<syntax>

<example>the constantNames</example>

<example>constantNames()</example>

</syntax>

<library></library>

<objects>

</objects>

<synonyms>

</synonyms>

<classification>

<category>Writing LiveCode</category>

</classification>

<references>

<function tag="functionNames">functionNames Function</function>

<command tag="constant">constant Command</command>

<function tag="propertyNames">propertyNames Function</function>

</references>

<history>

<introduced version="2.0">Added.</introduced>

</history>

<platforms>

<mac/>

<windows/>

<linux/>

<ios/>

<android/>

</platforms>

<classes>

<desktop/>

<server/>

<web/>

<mobile/>

</classes>

<security>

</security>

<summary><glossary tag="return">Returns</glossary> a list of all built-in <glossary tag="constant">constants</glossary> in <glossary tag="LiveCode">LiveCode</glossary>.</summary>

<examples>

<example>the constantNames</example>

<example>if it is among the lines of the constantNames then askForAnotherName</example>

</examples>

<description>

<p>Use the <b>constantNames</b> <control_st tag="function">function</control_st> to check whether a particular <command tag="constant">constant</command> already exists in <glossary tag="LiveCode">LiveCode</glossary>, to avoid using a <glossary tag="reserved word">reserved word</glossary> for your own <glossary tag="constant">constants</glossary> and <glossary tag="variable">variables</glossary>.</p><p/><p><b>Value:</b></p><p>The <b>constantNames</b> <control_st tag="function">function</control_st> <glossary tag="return">returns</glossary> a list of <command tag="constant">constant</command> names, one per <keyword tag="line">line</keyword>.</p><p/><p><b>Comments:</b></p><p>The <b>constantNames</b> <control_st tag="function">function</control_st> <glossary tag="return">returns</glossary> all the <glossary tag="constant">constants</glossary> that are predefined in <glossary tag="LiveCode">LiveCode</glossary>, including synonyms.</p>

</description>

</doc>