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The `schematicCollections` can be placed under the `cli` option in the global `.angular.json` configuration, at the root or at project level in `angular.json` .
```jsonc
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"cli": {
"schematicCollections": ["@schematics/angular", "@angular/material"]
}
// ...
}
```
**Rationale**
When this option is not configured and a user would like to run a schematic which is not part of `@schematics/angular`,
the collection name needs to be provided to `ng generate` command in the form of `[collection-name:schematic-name]`. This make the `ng generate` command too verbose for repeated usages.
This is where `schematicCollections` comes handle. When adding `@angular/material` to the list of `schematicCollections`, the generate command will try to locate the schematic in the specified collections.
```
ng generate navigation
```
is equivalent to:
```
ng generate @angular/material:navigation
```
**Conflicting schematic names**
When multiple collections have a schematic with the same name. Both `ng generate` and `ng new` will run the first schematic matched based on the ordering (as specified) of `schematicCollections`.
DEPRECATED:
The `defaultCollection` workspace option has been deprecated in favor of `schematicCollections`.
Before
```json
"defaultCollection": "@angular/material"
```
After
```json
"schematicCollections": ["@angular/material"]
```
Closes #12157