Create README.md

Author: chaitanyalal18

Server-Side Components/Business Rules/Move attachment from variable to record/README.md

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+**Scenario**:
+
+In some catalog items, we might want to make attachments mandatory based on certain conditions.
+To achieve this, we typically use an Attachment variable on the catalog item.
+
+When a user submits the catalog item, any attachments uploaded through this variable are stored in the sys_attachment
+table with the table name set to the variable’s source — usually ZZ_YYsc_cat_item_producer.
+However, in certain cases, we might want these attachments to be associated directly with the RITM (sc_req_item) record instead of staying linked
+to the variable.
+
+**Solution**:
+
+We can create an After Insert Business Rule on the sc_req_item table that automatically reassigns such attachments to the corresponding RITM.
+
+This rule will run only for RITMs created from specific catalog items as defined in the filter condition of BR and query the sys_attachment table for records where
+table_sys_id matches the current RITM’s sys_id, and table_name equals 'ZZ_YYsc_cat_item_producer' and update the table_name to 'sc_req_item'.