Improved documentation of immediate assignment extractor
diff --git a/grc/misc_utils/gsm_extract_immediate_assignment.xml b/grc/misc_utils/gsm_extract_immediate_assignment.xml
index 64e90d5..efb62da 100644
--- a/grc/misc_utils/gsm_extract_immediate_assignment.xml
+++ b/grc/misc_utils/gsm_extract_immediate_assignment.xml
@@ -54,13 +54,18 @@
</sink>
<doc>
- Extracts the assignment information from immediate assignments, i.e. timeslot, channel type, etc.
+Extracts the assignment information from immediate assignments, i.e. timeslot, channel type, etc.
- Input: decoded control channel messages
+Input: decoded control channel messages
- If "Print" is enabled, the information will be printed to output also,
- else the data can be retrieved using functions:
+If "Print" is enabled, the information will be printed to output also,
+else the data can be retrieved using functions:
- get_frame_numbers(), get_channel_types(), get_timeslots(), get_subchannels(), get_hopping(), get_maios(), get_hsns(), get_arfcns(), get_timing_advances(), get_mobile_allocations()
+get_frame_numbers(), get_channel_types(), get_timeslots(), get_subchannels(), get_hopping(), get_maios(), get_hsns(), get_arfcns(), get_timing_advances(), get_mobile_allocations()
+
+If "Ignore GPRS" is enabled, the extractor will ignore Immediate Assignments that assign GPRS channels.
+
+If "Unique per request ref" is enabled, the extractor will capture the first Immediate Assignment for every unique request reference, and ignore further duplicate assignments
+
</doc>
</block>