rdblue commented on a change in pull request #2067:
URL: https://github.com/apache/iceberg/pull/2067#discussion_r564804571
##########
File path: site/docs/spark.md
##########
@@ -814,3 +815,329 @@ This type conversion table describes how Iceberg types
are converted to the Spar
| struct | struct | |
| list | array | |
| map | map | |
+
+## Procedures
+
+In Spark 3 Iceberg provides an SQL API for accomplishing [maintenance
actions](maintenance.md). Support for
+stored procedures is tied to the DataSourceV2 catalog and requires that the
Iceberg Extensions are enabled for the
+Spark Session.
+
+### General Usage
+
+To call an Iceberg stored procedure, execute a `CALL` command against the
Iceberg catalog. All procedures are added to
+the `system` keyspace. Procedures can take positional or named arguments.
+
+#### Generic Call with Positional Arguments
+```sql
+ CALL catalog_name.system.procedure_name(arg_1, arg_2, ... arg_n)
+```
+
+#### Generic Call with Named Arguments
+```sql
+ CALL catalog_name.system.procedure_name(arg_name_2 => arg_2, arg_name_1 =>
arg_1)
+```
+
+### Cherrypick Snapshot Procedure
Review comment:
While it is one word in the API, I do think that it should be hyphenated
here: "Cherry-pick"
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