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Registers a javascript function.

Component Version macOS Windows Linux Server iOS SDK
JavaScriptWebKit 5.4 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "JavaScript.RegisterFunction"; JavaScriptContext; FunctionName { ; ParameterNames; Body; SourceURL; startingLineNumber } )   More


Parameter Description Example Flags
JavaScriptContext The reference number of the javascript context. $Context
FunctionName The name for the new function. "test"
ParameterNames The names for the parameters. "Value¶Count" Optional
Body The body of the function. "return value;" Optional
SourceURL A text containing a URL for the script's source file. This is only used when reporting exceptions. Pass empty text if you do not care to include source file information in exceptions. Optional
startingLineNumber An integer value specifying the script's starting line number in the file located at sourceURL. This is only used when reporting exceptions. The value is one-based, so the first line is line 1 and invalid values are clamped to 1. 1 Optional


Returns OK or error.


Registers a javascript function.


Register a function:

Set Variable [$r; Value:MBS( "JavaScript.RegisterFunction"; $$Context; "Test"; "Value¶Count"; "return Value * Count;")]

See also

Example Databases

Blog Entries

This function checks for a license.

Created 7th November 2015, last changed 9th February 2023

JavaScript.RegisterEvaluateFunction - JavaScript.RegisterRunScriptFunction