ExistFunction

Returns TRUE or FALSE depending on whether specified function exists.

Arguments

Number Type Compulsory Default Description

1

string

Yes

Function name

2

string

No

'global'

Function type

Argument 1

Function name.

Argument 2

Either 'global' or 'script'. If 'global', arg 1 is assumed to be the name of a built in function. If 'script' arg 1 is assumed to be a function defined as a script and installed using the command RegisterUserFunction.

User defined compiled functions linked in as a DLL are treated as 'global'.

Returns

Return type: real

Notes