# `Electric.Shapes.Api.Params.JsonOrMapStringParams`
[🔗](https://github.com/electric-sql/electric/tree/%40core/sync-service%401.6.2/packages/sync-service/lib/electric/shapes/api/params.ex#L43)

Custom Ecto type that accepts params as either:
1. A JSON string (e.g., "{"1":"value1","2":"value2"}")
2. A map with string values (for backwards compatibility)

# `cast`

# `dump`

# `embed_as`

# `equal?`

# `load`

# `type`

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*Consult [api-reference.md](api-reference.md) for complete listing*