/usr/share/kamailio/xhttp_pi/sca-mod is in kamailio-xml-modules 4.3.4-1.1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68  | 	<!-- sca_subscriptions provisionning -->
	<mod><mod_name>sca_subscriptions</mod_name>
		<cmd><cmd_name>show</cmd_name>
			<db_table_id>sca_subscriptions</db_table_id>
			<cmd_type>DB1_QUERY</cmd_type>
			<query_cols>
				<col><field>id</field><link_cmd>update</link_cmd></col>
				<col><field>subscriber</field></col>
				<col><field>aor</field></col>
				<col><field>event</field></col>
				<col><field>expires</field></col>
				<col><field>state</field></col>
				<col><field>app_idx</field></col>
				<col><field>call_id</field></col>
				<col><field>from_tag</field></col>
				<col><field>to_tag</field></col>
				<col><field>record_route</field></col>
				<col><field>notify_cseq</field></col>
				<col><field>subscribe_cseq</field></col>
			</query_cols>
		</cmd>
		<cmd><cmd_name>add</cmd_name>
			<db_table_id>sca_subscriptions</db_table_id>
			<cmd_type>DB1_INSERT</cmd_type>
			<query_cols>
				<col><field>subscriber</field></col>
				<col><field>aor</field></col>
				<col><field>event</field></col>
				<col><field>expires</field></col>
				<col><field>state</field></col>
				<col><field>app_idx</field></col>
				<col><field>call_id</field></col>
				<col><field>from_tag</field></col>
				<col><field>to_tag</field></col>
				<col><field>record_route</field></col>
				<col><field>notify_cseq</field></col>
				<col><field>subscribe_cseq</field></col>
			</query_cols>
		</cmd>
		<cmd><cmd_name>update</cmd_name>
			<db_table_id>sca_subscriptions</db_table_id>
			<cmd_type>DB1_UPDATE</cmd_type>
			<clause_cols>
				<col><field>id</field><operator>=</operator></col>
			</clause_cols>
			<query_cols>
				<col><field>subscriber</field></col>
				<col><field>aor</field></col>
				<col><field>event</field></col>
				<col><field>expires</field></col>
				<col><field>state</field></col>
				<col><field>app_idx</field></col>
				<col><field>call_id</field></col>
				<col><field>from_tag</field></col>
				<col><field>to_tag</field></col>
				<col><field>record_route</field></col>
				<col><field>notify_cseq</field></col>
				<col><field>subscribe_cseq</field></col>
			</query_cols>
		</cmd>
		<cmd><cmd_name>delete</cmd_name>
			<db_table_id>sca_subscriptions</db_table_id>
			<cmd_type>DB1_DELETE</cmd_type>
			<clause_cols>
				<col><field>id</field><operator>=</operator></col>
			</clause_cols>
		</cmd>
	</mod>
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