sp core library.validate.istrue

Validate.isTrue() method

Throws an exception if the specified value is not true.

Signature:

static isTrue(value: boolean | undefined | null, variableName: string): void;

Parameter	Type	Description
value	boolean \| undefined \| null	the value to check
variableName	string	the program variable name, which will be mentioned in the error message

Returns:

void