Fast formula based on worker category and primary assignment/WR

Summary:

Hello,

we would need a FF with the following constraints:

• Specific worker category
• Primary assignment and primary work relationship.

Below is the one we wrote but it doesn't work.

DEFAULT for PER_ASG_EMPLOYEE_CATEGORY IS 'N/A'
DEFAULT for PER_ASG_ASSIGNMENT_TYPE IS 'N/A'
DEFAULT for PER_ASG_CONTRACT_TYPE IS 'N/A'
DEFAULT for PER_ASG_PRIMARY_ASSIGNMENT_FLAG IS 'N/A'
DEFAULT for PER_ASG_PRIMARY_WORK_RELATION_FLAG IS 'N/A'
DEFAULT for PER_ASG_PRIMARY_FLAG IS 'N/A'
ELIGIBLE = 'N'
if (
(PER_ASG_EMPLOYEE_CATEGORY = 'FR_04'
OR PER_ASG_EMPLOYEE_CATEGORY = 'FR_05'