Functional unit for toilet system and toilet system

A functional unit for using with a toilet bowl of a toilet system, the functional unit comprising:

• a discharge member configured to discharge an amount of a test agent into the toilet bowl, the test agent formulated to chemically react with urine from a user to enable determination of a health condition of the user;
• an input device configured to receive input from the user to initiate discharging the test agent from the discharge member based on the input by the user;
• a foam supply device configured to supply foam onto a pooled water section inside the toilet bowl using a foaming agent before the amount of the test agent is discharged into the toilet bowl by the discharge member, wherein the discharge member is configured to discharge the amount of the test agent toward the foam supplied onto the pooled water section by the foam supply device;
• and
• a controller configured to control the discharge member based on the input by the user such that the foam supply device supplies the foam in the pooled water section before the discharge member discharges the amount of the test agent onto the foam supplied onto the pooled water section by the foam supply device.