a0d929ca_WSRP_v2_0_Specification__Statement_text
[#] CS145 [Section] 9.2.1.6 [Statement text] 
The value for wsrp-windowState MUST be one of the values detailed in section 5.9 or a custom window state the Consumer specified as supported during registration.
WSRP v2.0 Specification
Statement text