# Retrieve all accession data for the Musa International Transit Center, Bioversity International (BEL084) and the International Center for Tropical Agriculture (COL003)
some <- fetch_accessions(list(institute.code = c('BEL084','COL003')))
some <- fetch_accessions(list(institute = list(code = c('BEL084','COL003'))))
```
**genesysr** provides utility functions to create `filter` objects using [Multi-Crop Passport Descriptors (MCPD)](https://www.genesys-pgr.org/documentation/basics) definitions:
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...
@@ -68,8 +70,14 @@ The records returned by Genesys match all filters provided (*AND* operation), wh
allow for specifying multiple criteria (*OR* operation):
```r
# (genus == Musa) AND ((origcty == NGA) OR (origcty == CIV))