ISBLANK

ISBLANK(value)[source]

Returns True if the input value is blank, otherwise False.

This function checks whether value is blank (empty or NULL). It evaluates to a boolean formula, making it useful for conditional logic and null-checking within models. Both singular values and arrays are supported.

Parameters:

value (Operand) –

The value to check if blank.

Supported types:

  • ANY

Return type:

Formula

Returns:

True if value is blank, False otherwise. Returns an array of boolean values if value is an array.

Supported types:

  • BOOLEAN

  • BOOLEAN_ARRAY

Examples

ISBLANK(customer["email"])
# Returns True if email is blank, else False