# text.div
This code system http://hl7.org/fhir/assert-direction-codes defines the following codes:

Code | Definition
response | The assertion is evaluated on the response. This is the default value.
request | The assertion is evaluated on the request.

# description
The type of direction to use for assertion.

# concept[].definition
The assertion is evaluated on the response. This is the default value.

# concept[].definition
The assertion is evaluated on the request.